1. How much is the inductance of a coil that induces 40V when its current changes at a rate of 4A/s?
Q: 27. Determine the capacitance required to establish a capaci- tive reactance that will match that of…
A: This question belongs to circuit theory . It is based on the concept of capacitive reactance and…
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A: Given: Voltage induced in a coil, vL=350 mV Rate of change of current, didt=1 A/s
Q: 5. Determine the time constant, in seconds, for an inductor coil with an inductance of 0.5 H and…
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Q: A 4-79 permalloy solenoid coil needs to produce a minimum inductance of 1.5 Wb/m^2. If the maximum…
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Q: A coil has a reactance of 290 ohms in a circuit with a supply of frequency 28 kHz. Determine the…
A: Inductive reactance of coil = 2π×frequency ×indutance of coil So, inductance of coil = inductive…
Q: An inductor is connected in series with a resistor of 20 N and an ac source of voltage 200 V, 50 Hz.…
A: Given; impedance Calculate inductive reactance
Q: 7. A steady state of 20 mA is passed through a coil with an inductance of 100 mH. What is the…
A: This question is conceptual and can be answer without solving.
Q: 3. A coil has an inductive reactance of 75 Q and a wire resistance of 18 Q. What is the Q of this…
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Q: A coil of 50 ohm resistance and of 150 mH inductance is connected in parallel with a 50 micro-farad…
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Q: Determine the time constant, in seconds, for an inductor coil with an inductance of 0.5 H and…
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Q: A coil composed of 100 turns has an inductance of 5 mH. If the number of turns is doubled without…
A: Given data, A coil composed of N=100L=5 mH Number of turns is doubled without changing the other…
Q: .What is the magnitude of the impedance of a 73 mH inductor? Assume the frequency is 430 Hz .Write…
A: In this question, We need to determine the magnitude of the impedance? If inductance L= 73mH and…
Q: Find the coefficient of coupling between two coils whose mutual inductance is 1 H and…
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Q: 1) A coil composed of 100 turns has an inductance of 5 mH. If the number of turns is doubled without…
A:
Q: A coil induces 900 mV when the current changes at the rate of 0.3 A/sec, then the value of…
A: In this answer we will try to find the inductance using the formula for the voltage induced in the…
Q: A coil draws 1875 watts when connected to a 150 V dc source. It consumes 3072 watts when used on 240…
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Q: How many turns is required for a coil with a diameter of 48 mm to induce 12 v of electricity when…
A: Here, we have given a coil with a diameter as described above in the problem. we have to calculate…
Q: 1) A coil composed of 100 turns has an inductance of 5 mH. If the number of turns is doubled without…
A: Given: A coil has following specifications, Initial turs, N1=100 Inductance, L1=5 mH Number of turns…
Q: The current in a 25 mH inductor changes at a constant rate of 7 A/s. What voltage is induced across…
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Q: Two coil of self inductance 3 H and 5 H are connected in a series- opposing each other. What is the…
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Q: ele ll el
A: When two inductors are in series, then the equivalent inductance is calculated as Leq=L1+L2. When…
Q: How much is the inductance of a coil of an instrument that induces 1000 V when its current changes…
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Q: When a current of 4A flows in a coil having 550 turns. If the coil inductance is 800 mH, the flux…
A: Solution: The flux through an inductor is the self inductance of coil times the current through it.…
Q: determine the capacitance (in µF) required to establish a capacitive reactance that will match that…
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Q: Choose correct answer Inductance of the coil is given by a. L = NΦ / T b. L = IΦ / N c. L = NΦI d. L…
A: inductance of the coil given by L= N∅I WHERE, N=NUMBER OF TURNS IN COIL ∅=FLUX
Q: The mutual inductance between two coupled coil is 25 mH. If the turns in one coils are doubled and…
A: Given: Mutual inductance of two coupled coil is M=25 mH Turn of one coil is doubled and that in the…
Q: A 2amp current flows through series connection of inductance L1 = 3H and L2 = 6H. If the coils are…
A: Given- Current I = 2 A, Series connection of inductance L1=3H & L2=6H, M=2H, To Find- Energy…
Q: - A supply of 240 V, 50 Hz is connected across a pure inductance and the resulting current is 1.2 A.…
A: Given that, V=240 V f=50Hz IL=1.2 A So XL=V/IL=240/1.2=200 ohm Also=XL=2πfL…
Q: 7. Calculate the coil inductance when a current of 4A in a coil of 800 turns produces a flux of…
A: (Q.7) Given, Current flows through a coil(I)= 4 A Number of turns (N)=800 Flux = 5 mWb
Q: Find the equivalent inductance for the following circuit shown. 2H ΤΗ 0000 0000 3H O 8.538 H O 5.739…
A: Given, The circuit is,
Q: If the area of a coil with inductance L, is increased from 100mm2 to 200mm2 then its inductance…
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Q: A coil has a reactance of 325 ohms in a circuit with a supply of frequency 20 kHz. Determine the…
A: So we have to find the required inductance.
Q: How much is the inductance of a coil that induces 500 V when thje current changes at the rate of 5…
A: Given, Induced voltage, V= 500 V Current changes at the rate of 5 mA in 2 μs So,…
Q: 8.What is the coefficient of coupling of two coils whose mutual inductance is 1 H and whose…
A: coefficient of coupling = mutual inductance bateween two coilproduct of inductance of the two…
Q: A coil having an inductance of SormH and resistance 1o2is cannected in 5 eri e5 with a 25 uF…
A: In RLC circuit at resonance the inductive reactance is equal and capacitive reactance. At resonance…
Q: Every coil made of a metal wire has certain inductance
A: Given a coil has inductance present in it ?
Q: A coil having an inductance of 200 mH is magnetically coupled to another coil having an inductance…
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Q: What is the maximum possible mutual inductance of two inductively coupled coils with…
A: Mutual inductance = K sqrt(L1 ×L2). Mutual inductance is maximum when K is 1.
Q: A coil having a resistance of 10 Ω and an inductance of 4 H is switched across a 20-V dc source.…
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Q: A. What is the coefficient of coupling of two co inductance are 1.2 and 2 H? B. An emf of 9.7mV is…
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Q: A coil has a resistance of 75 ohms and an inductance of 1.4H. When the applied voltage is 240V, at…
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Q: An inductive coil consumes active power of 500W and draws 10A from a 60Hz AC supply of 110V.what is…
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Q: Two inductively coupled coils have self inductance L1 = 50 mH and L2 = 200 mH. The maximum possible…
A: Given, Two inductively coupled coils have, Self inductance, L1=50 mH Self inductance, L2=200 mH
Q: A coil draws 1875 watts when connected to a 165 V dc source. It consumes 30.72 watts when use on a…
A: I have checked every calculation but not getting 39 mH but my solution is 100% correct. There may be…
Q: The mutual inductance between two closely coupled coils is 100 mH. If the number of turns of one…
A: The solution is
Q: A coil with a self-inductance of 16 mH and a resistance of 6 Ω is connected to an AC source whose…
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Q: An alternating voltage of 220V, 50 Hz is applied to a coil of negligible resistance and inductance…
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Q: What is the potential energy of a capacitor if it's connected to a 20V power supply, and has a…
A: Potential Energy: Whenever we store an energy we term it as potential Energy Lets go through a graph…
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- The circuit is connected to a 60-Hz line. The apparent power in the circuit is 29.985 VA, and the power factor is 62.5%. The resistor has a voltage drop of 14.993 V, the inductor has an inductive reactance of 60 , and the capacitor has a capacitive reactance of 45 . ETITZVA29.985PF62.5%ER14.993VIRRPELILXL60VARsLLECICXC45VARsCCThree capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F capacitor?A postage stamp mica capacitor has the following color marks starting at the upper left dot: yellow, violet, brown, green, no color, and blue. What are the capacitance value, tolerance, and voltage rating of this capacitor?
- What frequency must be applied to a 33-mH inductor to produce an inductive reactance of 99.526 ?Assume that the current flow through the resistor, IR, is 15 A; the current flow through the inductor, IL is 36 A; and the circuit has an apparent power of 10,803 VA. The frequency of the AC voltage is 60 Hz. ET ER EL IT IR15A IL36A Z R XL VA10,803 P VARSL PF LThree capacitors having values of 2.2 F, 280 F, and 470 pF are connected in parallel. What is the total capacitance?
- An AC circuit contains a 24 resistor, a 15.9-mH inductor, and a 13.3F capacitor connected in parallel. The circuit is connected to a 240-V, 400-Hz power supply. Find the following values. XL=XC=IR=AIL=AIC=AP=WVARsL=VARsC=IT=AVA=PF=%=Inductive Circuits Fill in all the missing values. Refer to the following formulas: XL=2fLL=XL2ff=XL2L Inductance (H) Frequency (Hz) Inductive Reactance ( ) 1.2 60 0.085 213.628 1000 4712.389 0.65 600 3.6 678.584 25 411.459 0.5 60 0.85 6408.849 20 201.062 0.45 400 4.8 2412.743 1000 40.841You are working in an industrial plant. You have been instructed to double the capacitance connected to a machine. The markings on the capacitor, however, are not visible. The capacitor is connected to 560 volts and an ammeter indicates a current of 6 amperes flowing to the capacitor. What size capacitor should be connected in parallel with the existing capacitor? What is the minimum AC voltage rating of the new capacitor? What is the minimum DC voltage rating of the new capacitor? What is the minimum KVAR size that can be used in this installation?
- If a capacitor produces 15 ampere on a 240-volt supply, which of the following is its microfarad rating? 166 microfarad 15 microfarad 200 microfarad 3450 microfaradList the five capacitor replacement rules.A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?
