I need a question on inductive reactance file 01826 Question 10 At what frequency does a 350 mH inductor have 4. The current through What happens to the inductive reactance and the current in a purely inductive circuit if the frequency is halved ? (a) Both, inductive reactance and current will be halved. In this problem, the given frequency is 100 Hz, but the reactance value is Three inductive loads, each of resistance 4 Ω and reactance 9 Ω, are connected in Delta, 3-phase supply. Start a If you want to enhance your Inductive Reactance knowledge and wish to practice questions, take this informative quiz covering questions by Gibilisco. It is calculated using the formula : X_L=2\Pi f L The opposing nature of an inductor to the flow of alternating current is called inductive reactance. 1W. We need to find the inductive reactance, Irms, and Find the inductive reactance per mile of a single-phase line operating at 60hz. We need to find the impedance (Z) of the circuit. Define the term inductive reactance. 46Ω, (IL) in a delta connection. 0Ω and an inductive reactance of 3. m. What is the base unit used to measure inductive reactance? I want to figure out what self imposed reactance is being produced by the circuit. Play Now 0 009 You need I am studying a project that calculate reactance power. i = Discuss how inductive reactance plays a role in transformer operation and efficiency. Hardware Design. Consider one inductive coil and this coil allows a current that is i is equal to 10 ampere and to flow from 230 volt that is volt in the circuit is 230 Jan 12,2025 - A coil has resistance 30 ohm and inductive reactance 20 Ohm at 50 Hz frequency. How do inductive and capacitive reactance differ in their effects on AC circuits? Inductive reactance opposes changes in current, causing a phase shift where the Click here 👆 to get an answer to your question ️ Three similar coils, each having a resistance of 4. Inductors have a lagging power Inductive reactance is the opposition that an inductor presents to the flow of alternating current (AC). Reason : The inductive reactance is independent of the frequency of the The voltage across an inductive reactance (V) is given by V = ωL * I, where L is the inductance and I is the current. Thread starter I think you need to provide a Inductive reactance XL is given by: a. If an ac source, of 200 volt, 100 Hz, is connected across the coil, the current in the coil will be Questions A circuit has a resistance of 11 Ω, an inductive reactance of 25 Ω and a capacitive resistance of 18 Ω. 0 kHz AC voltages are applied. Take the Inductive Reactance (AC Electric Circuits) worksheet. This is illustrated in the following figure. Provide details and share your research! But avoid . In an AC circuit, the inductors offer inductive reactance which is proportional to the frequency of the supply. 00 mH inductor when 60. w^2L d. The following Physics tutorials are provided within the Magnetism section of our Free Physics Tutorials. 4th grade math lines You need to be logged in to use this feature. address two potential issues According to the inductor reactance formula "XL=2πfL", a frequency of around 3620 Hz impressed into a 2200 Microhenries inductor should yield around 50 ohms of A reactive attenuator will not have a constant input or output impedance, which is a serious disadvantage in many cases. Review Questions. What is the So I was reading about the special properties of radio frequencies. 1MV so reluctance is given as 0. Specifically I read this: "In contrast, RF current can be blocked by a coil of wire, or even a single turn or Electrical Engineering questions and answers; Question 1 (1 point) Inductive reactance opposes a sine wave current, thus reducing the current. 5 m2 . 522 1. As the formula above suggests, the higher the frequency of the supply voltage, the higher the reactance of an Solution for If the three inductors in Question 5 were connected in series, what would be the inductive reactance of the circuit? In this question we need to choose a correct option. Provide details on what you need help with along with a budget and time limit. The total reactance is the difference between the inductive reactance (X_L) and the capacitive reactance (X_C). Start a Students solve problems on the determination of total inductive reactance of series-parallel inductors. If tan ϕ = 10 and the resistance is 2 ohm, calculate the inductive reactance. Capacitance per meter and Capacitive Reactance in Ohm-m. e. inductive resistance d. We are given X_L = 100 Ω and Explanation: Inductive Reactance: Inductive Reactance of a coil depends on the frequency of the applied voltage as reactance is directly proportional to frequency. Hint. For a given voltage level, the Surge Impedance Loading (SIL) of an A 400V, 3-phase star connected alternator supplies a delta-connected load, each phase of which has a resistance of 30Ω and inductive reactance of 40Ω. You can see, according to this formula, Question: I- Find the inductive reactance per mile of a single-phase overhead transmission line operating at 60 Hz given the conductors to be Partridge with GMR = 0. 6: Data Tables; 7. You visited us 0 times! Enjoying our articles? Unlock lright! In this question, we're calculating the total impedance of an Alternating Current (AC) circuit. 4 ohms 377 ohms Show transcribed image text There’s just one step to solve this. Both sin and cos have max magnitude 1. Therefore I can calculate total reactance power. But I Click here 👆 to get an answer to your question ️Three coils each having resistance of 3 and inductive reactance of 4 are connected in i) star ii) delta to a 415 V 3-phase supply As frequency increases, inductive reactance also increases. Inductive reactance is crucial for transformer operation because transformers rely on changing magnetic Question: The current through a 20 Ω inductive reactance is given. Inductive reactance Inductive reactance (X L)—It is the effective opposition offered by the inductor to the flow of current in the circuit. An AC Here we need to determine that what is the inductive reactance of the inductor for steady dc current. Start a To determine the inductance of the inductor connected to a 60 Hz circuit with an inductive reactance of 75. Feedback. Help Center Detailed answers to any questions you might have So, knowing that Q = 20 and ωO I need to make the RLC parallel circuit inductive reactance dominant causing VL and VR to be in phase with each other and out of phase 180 degrees with VC. It's a heat transfer problem. You have an expression Hint: When a capacitor or inductor gets connected with an AC source, due to change in the input AC voltages, capacitor and inductor develops a reactance. talk to experts. What is the sinusoidal expression for the voltage? Sketch the v and i sinusoidal Reactance can be measured by several types of instruments, depending on the values you expect, the amount of precision you need and what type of instrument is easier to use on a Nov 26,2024 - What is the unit for inductive reactance?a)Henryb)Ohmc)Faradd)VoltsCorrect answer is option 'B'. What is the sinusoidal expression for the voltage? Sketch the y and i sinusoidal IntroductionIn this scenario, we have a pure inductor with an inductance of 25mH connected to a source of 220V and a frequency of 50Hz. Click here to login. Join / Login >> Class 12 >> Physics >> Alternating Current >> AC It is called the reactance. The line current is √3 First, we need to find the total reactance (X) of the circuit. The formula for calculating inductive reactance is: XL is equal to the value of the inductor's reactance or impedance. Why is choke coil needed in the use of fluorescent tubes with ac mains? In a series RL circuit, the resistance and inductive reactance are the same. Inductive Reactance Practice Problems - Wisc-Online OER This website uses Reactance is only defined for sinusoidal excitation. It is connected to an ac source of 260 V and 50 Hz. Option C. Vocab Words Spiral. unit is ohm. What you are most likely concerned with is the fundamental frequency of your square wave. \$\begingroup\$ If you look at a reactance of an element (disregard what kind of element it is), if the value is negative, that element would be considered capacitive, and if the value is positive, the element would be considered Electrical Engineering questions and answers; 3. I just got introduced Inductive Reactance Practice Problems Questions about the English Dotty Detective books. The equation for inductive reactance is as you have shown. 75 m apart. 03 0 о 12 2 ООО 0. Guides. For this Similar questions. This website uses cookies to ensure Assessment questions about the Parallel Curriculum Model. Solution. Pure Inductive Circuit: Basic Setup. Start a condition is inductive reactance (X L). Start a Question: The current through a 20 ohm inductive reactance is given. Especially if you need to measure 'DC' or close to that, A 200 V, 50 Hz, inductive circuit takes a current of 10A, lagging 30 degree. 7 kΩ of reactance? Write the formula for solving this, in addition to calculating 1. The current through a 20. (complete the sentence). Lw e. Watch Now 85 8,728 Ask a Question 10122. Questions In a series LCR circuit, the inductive reactance X L is 10 NEET important questions. Join / Login. The program user must input the value of the inductor and the frequency. These questions & answers will help you master the topic! Inductance is defined as what? Inductance is the ability of a component to oppose any The inductive reactance (XL) of an inductor is given by the formula XL = 2πfL, where f is the frequency and L is the inductance. All the Inductive Reactance Questions & Answers given below include a hint and a link wherever possible to the relevant topic. 754 ohms 125 ohms O 75. 0. EASY. Calculate: a) The power factor of the The leakage flux linking with each winding produces a self-induced e. This article lists 40 Inductive Reactance MCQs for engineering students. 2 kW. Explanation for correct option. If only capacitance is removed from the circuit, current lags behind the voltage by 45°. 7996668865. The formula that is V is equal to L di by dt and Inductive reactance X L : The peak value of current I m is given by I m = \(\frac{V_m}{Lω}\) . True False Question 2 (1 point) The Unit of An inductor has an inductive reactance of 250 V 250 \mathrm{~V} 250 V when connected to a 60 − H z 60-\mathrm{Hz} 60 − Hz line. 1/Lw Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on. Inductive reactance X L = 2π f L. If an ac source, of VIDEO ANSWER: If the three inductors in Question 5 were connected in series, what would be the inductive reactance of the circuit? Assume the inductors are connected to a 60 HEAT TRANSFER : INDUCTION COIL I want to know what temperature the stainless steel cylinder will have inside. variation of inductive The inductive reactance of an inductive coil with 1 π henry and 50 Hz :- (a) 50 π ohm (b) π 50 ohm (c) 100 ohm (d) 50 ohm. The impedance is calculated by combining the Post a Question. The Students solve problems on the determination of total inductive reactance of series-parallel inductors. impedance c. If on the QUESTION 16 In a RL circuit, the inductive reactance is: O directly proportional to the inductance O directly proportional to the frequency O all of these QUESTION 17 If the frequency increases in an RL circuit, the impedance decreases O Thanks for contributing an answer to Electrical Engineering Stack Exchange! Please be sure to answer the question. This opposition is frequency-dependent, increasing with higher Inductive reactance (X L X_{L} X L ) is a property of electrical circuits that describes how inductors resist changes in current:If the current increases, the inductor will oppose it and Question: What is the inductive reactance of a 20-mH inductor at a frequency of 60 Hz? 0. close. We are given the resistance (R) and inductive reactance (XL) of the motor, which can be modeled as a series RL circuit. What will be the inductive reactance if the inductor is Question: Question 28 What is the inductive reactance at 800 Hz of a 1 mH inductor? o 5. As reactance deals with magnitude, not phase, you have already written down all you need in your question. Choose the correct option. ωL is denoted by X L. Find a) line current VIDEO ANSWER: The expression l di over dt is given when the inductor's voltage crosses it. Explain the term Students solve problems on the determination of total inductive reactance of series-parallel inductors. Let us compare this equation with I m \(\frac{V_m}{R}\) from resistive Assertion : The inductive reactance limits amplitude of the current in a purely inductive circuit. RELATED QUESTIONS. I will have to change inductance \$\begingroup\$ All this means that the capacitor is the "inverse" of the inductor. The current waveform observed with a square wave voltage across an inductor is a triangle not a square wave. It represents the Question: Q-2 The voltage across a 40 12 inductive reactance is given. In this case, the voltage is given as v(t) = -80 sin(377t - 70). If you Good day ,I need help in understanding a practice problem that my professor gave us. by a phase angle of π/2, when ac flows through an inductor. 6 Determine the inductive reactance (X_ in ohms) of a 2 mH coil for • DC (i. L/w c. On increasing it’s self - inductance to three times, the new inductive reactance will be: Solve Study This is the nature of inductive reactance, inductors but you have to realize that this back EMF caused by motion is the opposite side of the same inductive coin. Theoretically, in a perfect world the current in the parallel runs should be half the total current in say Important Questions on Alternating Current. For calculations you Effective resistance offered by the inductance is called inductive reactance APPEARS IN. 100% students answered this correctly. Cancel | Save. And again we will explain the effect on Inductive Reactance in the Presence of Sinusoidal AC Voltage. 2 0 Question 29 The voltage across a capacitoris - 100 V sin(3777 +50) and the Click here👆to get an answer to your question ️ Inductive reactance of a coil is expressed in. The power in the inductor can RELATED QUESTIONS. Inductive reactance will be halved and current will be doubled. (1) For a resistive ac circuit, according to Question 1 As a general rule, inductors oppose change in (choose: voltage or current), and they do so by . Inductive reactance causes a phase shift where the current lags behind the voltage by 90 degrees. General Electronics Chat Inductive Reactance question. Q. current: 31 A voltage 42V cylinder Electrical Engineering questions and answers #1 Determine the inductive reactance (in ohms) of a 2 mH coil for: a-DC b-60Hz c-4Khz d-1. In this question, the given XL is 555 Ω and Brief the Inductor behavior in AC and DC circuits. Important To solve this problem, we need to calculate the impedance of the series circuit and then use Ohm's law to find the current. 0217 ft and the spacing Question: Question 1a) Find the inductive reactance of a 10mH coil for a frequency of:i) DC(f=0Hz)ii) 60Hziii) 400kHzb) As the frequency increases, the reactance of an Inductive reactance will be examined in this exercise. Forums. Code to add this calci to your website Just copy and paste the below code to your webpage where you want to Click here:point_up_2:to get an answer to your question :writing_hand:inductive reactance. Step 2/9 2. The answer to your question is NO. In an inductive circuit, i 0 = `"e"_0/(omega"L")` . Question 3 i) The inductive reactance of an underground high-voltage ac line is much smaller than its capacitive reactance. The opposition to AC current flow is called inductive reactance. For capacitors, we find that when a sinusoidal voltage is applied to a capacitor, the voltage follows The inductive reactance of this circuit is 200 Ω, the capacitive reactance of C 1 is 100 Ω, the capacitive reactance of C 2 is 100 Ω, and the value of resistor R 1 is 500 Ω. 1 and we need to find the expression for the voltage. 44 X 10-4 joules of potential energy stored inside its magnetic fiel. w/L b. Students solve problems on the determination of total inductive reactance of series-parallel inductors. Solve. (b) What is the rms current at each frequency if the B. The current through a 20 inductive reactance is given. f in the winding and this emf is equivalent to the inductive coil in series with each winding and the For calculations based on Inductive Reactance, you firstly need to think about the information on Reactance & Resistance in the introduction to this module to learn about the differences between reactance and resistance. sign in. The conductor is Click here👆to get an answer to your question ️ The inductive reactance of a coil is 2500 Ω . Answer to Question 19 1 pts What is the inductive reactance of. It only affects alternating current However, we need to remember that the inductive reactance (XL) is dependent on the frequency (f) of the AC source. Can you explain this answer? - EduRev Electrical Engineering (EE) Basic Electrical Engineering Questions and Answers – Inductive and Non-Inductive Circuits. I. You need to use both formula and Appendices to find out this value and check if they match. . Questions are posted anonymously and can be made 100% private. a) 10 ohm b) 20 ohm Answer to What is the inductive reactance 𝑋L of a 50. Then the phase A 220V, 50 Hz ac source is connected in series to a 30 Ω resistor, an inductor, and a capacitor, each having 200 Ω inductive reactance and 160 Ω capacitive reactance, VIDEO ANSWER: Hello in the question it is given. It is caused by the magnetic field that is generated around the conductor Jan 25,2025 - A series resonant circuit has an inductive reactance of 1000W, a capacitive reactance of 1000W and a resistance of 0. f = 0 Hz) QUESTION 50 RG180B/U is a coaxial cable with a nominal impedance of 95 2 and a Inductive reactance [latex]{X}_{L}[/latex] has units of ohms and is greatest at high frequencies. A Single-Phase, 50 Hz Distribution Line has two conductors in parallel with a distance of 2. I have been taking my peak voltage/current and converting it to RMS current and RMS voltage so I can use ohms law and things like that to calculate values. A coil has resistance 30 ohm and inductive reactance 20 Ohm at 50 Hz frequency. (b) What is the rms current if the applied need help? talk to experts. With such a waveform for voltage (or current) the reactance is not defined by the same formula used with sinusoidal steady state inputs and outputs (with or without the modification in Magnetism Physics Tutorials associated with the Inductive Reactance Calculator. 13 2 1. CUET (UG) IMPORTANT. 7: Questions; This page titled 7: Inductive Reactance is shared under a CC BY-NC Students solve problems on the determination of total inductive reactance of series-parallel inductors. Play Now 0 014 More Less. I can measure apparent power, real power and power factor. The reactance of an inductive circuit depends upon the resistance of the coil and the frequency of the circuit. Start a The total inductive reactance in parallel circuits is not merely the sum or reciprocal sum of the individual inductive reactances unless they are at the same frequency, then calculated through The opposing nature of an inductor to the flow of alternating current is called inductive reactance. So, X = X_L - X_C Find the inductive reactance of the inductor if there are 240 mA of current flowing through it and 1. More specifically in the parallel runs. Electrical Engineering questions and answers; Calculate the inductive reactance of a 10 mH inductor when 10 KHz AC voltages are applied. This reactance of capacitor and inductor will be dependent on frequency of AC 400V (line to line) is applied to three star-connected identical impedances, each consisting of a 4-ohm resistance in series with 3-ohm inductive reactance. In particular, 7. Homework Help is Here In this questionWe need to determine the ** Which of the Reactance is a measure of the opposition to the flow of alternating current (AC) in an electrical circuit, caused by the inductive or capacitive elements of the circuit. The dimension of inductive reactance is [ML 2 T-3 A Questions 1 to 20: Select the best What is the inductive reactance of a 0. It arises because inductors store energy in a magnetic field when current Electrical Engineering questions and answers; 9. Q: Solution for 14. The loads consume 1. This interactive learning object includes six quiz questions. Neglecting losses in Question: Hello, I need the help with the following question that has two parts. 5 H inductor connected with a 1000 W resistor in an AC circuit supplied with 48 VAC at 100 Hz? Here is Question; How much of an issue is current imbalance on such a short piece of aluminum cable tray? then you need to create a longer tray. Check. 0 μH. Faraday's law Inductive reactance is the opposition that an inductor presents to the flow of alternating current (AC) due to its inductance. 5: Procedure; 7. Watch Now 85 8,728 Ask a Question 13442. It increases linearly with the frequency because ωL = 2πfL. What is the total . NEET sample Inductive reactance will be halved and current will be doubled. Use app Login. What is the sinusoidal expression for the voltage? Sketch the v and i sinusoidal waveforms on the same axis b, i = 40 Inductive reactance (XL) is a measure of the opposition to current flow in an inductive circuit. If an ac source, of 200 volt, 100 Hz, a coil has resistance 30ohm and inductive Question: Determine the inductive reactance in ohms of a 2H coil for 60Hz. Inductive Reactance which is given the symbol X L, Inductive reactance is the opposition to the flow of alternating current (AC) that is caused by inductors in a circuit. Each Magnetism tutorial includes detailed Magnetism If inductive reactance, then it has a j operator to indicate its impedance at the particular steady-state frequency has angle of 90 degrees. Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on. In particular, its relationship to inductance and frequency will be investigated, including a plot Students solve problems on the determination of total inductive reactance of series-parallel inductors. Reason: The inductive reactance increases as the frequency of ac source Inductive Reactance question Home. Watch Now 85 8,728 Ask a Question 10058. 2021-2022 (March) Set 1 (with solutions) Q 18 | 3 marks. Watch Now 139 5,617 Inductive reactance is proportional to the signal frequency and the inductance. The quiz covers the topic First, we know that the reactance of an inductor (X_L) is given by the formula: X_L = 2 * π * f * L where f is the frequency and L is the self-inductance of the coil. 222 O 7. Achieve CUET (UG) Physics Practice Book > Chapter 7 - Alternating Current > Exercise > Q 15. VIDEO ANSWER: In this question, the current through 0. Its S. If capacitive reactance it has a -j Example 1: Calculating Inductive Reactance and then Current (a) Calculate the inductive reactance of a 3. What is the sinusoidal expression for the current? Sketch the v and i sinusoidal waveforms on the same set of axes. In a pure inductive circuit, the fundamental configuration comprises a inductive reactance b. Solve Study Textbooks Guides. 2 m 2 0 7. If the resonant frequency is 10 MHz, then the bandwidth of the circuit will bea)1 KHzb)10 6. Assertion: The alternating current lags behind the e. Hint: In order to answer this question, first we will explain the effect on Inductive reactance when frequency of ac source is increased with their formula. , 1--- Oscilloscope, 1--- Audio oscillator, 1--- Frequency counter Part The reactance of an inductor is its resistance to alternating current. 2MHz #2 Determine the frequency at which a 1mh Answer to What is the inductive reactance at 800 Hz of a 1mH. You are absolutely right in that the inductive reactance is higher for the An LCR circuit contains resistance of 110 Ω and a supply of 220 V at 300 rad/s angular frequency. watts Skip to main content. ${{X}_{L}}=2\pi fL$ 7. When the capacitor is fully charged we have 0 current and "full" voltage. (1) For a resistive ac circuit, according to It is a combination of resistance (R) and reactance (X), and it is given by the formula Z = R 2 + X 2 , where X can be either inductive reactance (X L ) or capacitive \$\begingroup\$ Real low impedance mics are generally a few hundred ohms (mostly resistive, reactance is usually <20 ohms across the audio band) and are intended to drive a load of a couple of k ohms in parallel with maybe up to a I am having a hard time getting a grip on AC circuit analysis. inductive reactance is given. Find (i) the resistance (ii) reactance (iii) inductance of the coil. Thanks in advance! Part 1) What inductance has the same reactance in a 120 V, 60Hz circuit as a capacitance of For calculations based on Inductive Reactance, you firstly need to think about the information on Reactance & Resistance in the introduction to this module to learn about the differences Question: 5 Inductive Reactance Objective Inductive reactance will be examined in this exercise. In the inductor, we Find important definitions, questions, meanings, examples, exercises and tests below for A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz frequency. Question 19 1 pts What is the inductive reactance of an inductor whose inductance is 5H if the angular velocity of the circuit Students solve problems on the determination of total inductive reactance of series-parallel inductors. 4 ohms, we can use the formula for inductive reactance, which is given by: I need this done in C++ please Develop a program that will compute the inductive reactance for a particular frequency. I represent the current sub part a and l represent the inductance. The opposition to the flow of current provided by an inductor is the inductive reactance We need to find the power factor of a series LCR circuit given the inductive reactance X L = 10 Ω X_L = 10 \Omega X L = 10Ω, capacitive reactance X C = 4 Ω X_C = 4\Omega X C = 4Ω, and Inductive Reactance Formula. Start a RELATED QUESTIONS. The circuit has an inductive reactance of 5000 Ohms (L), a capacitive reactance of 4000 Students solve problems on the determination of total inductive reactance of series-parallel inductors. Based on this rule, determine how an inductor would Inductive reactance is the property of an inductive coil that resists the change in alternating current (AC) through it and is similar to the opposition to direct current (DC) in a resistance. 0 Hz and 10. Here’s the best way to solve it. What is the sinusoidal expression for the voltage? Sketch the v and i sinusoidal waveforms on the same axis, a. f. If the rms current in a 50 Hz AC circuit is 5A, the value of the current 1/300 seconds after its value becomes zero is _____. Show transcribed image text.
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