Calculate the e.m.f. induced in a coil of inductance 15 H in which the current changes from 8A to 5 A in 1 sec.
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A: The average emf induced in a coil can be calculated using Faraday's law of electromagnetic…
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A: Given data L=3 mHf=1000 kHz Here L is the inductance. While f is the frequency of the circuit. Now…
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Q: Find the average emf induced in a 500 turns coil if there is a current change of 0.25 ampere in time…
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Q: A coil produces an emf of 1.50 V when the current in it changes from -12.0 mA to +32.0 mA in 4.00…
A: According to the laws of electromagnetic induction, the induced emf is given by e = L d Id t where,…
Q: The current in an inductive coil changes at 30A /s and the back EMF is 3V Calculate the inductance…
A: Given value--- The current in an inductive coil changes at 30A /s. the back EMF is 3V. We have to…
Q: When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a 100…
A: When 100 volt DC is applied 1 amp flows through it Therefore Resistance = 100/ 1 = 100 ohm…
Q: The self-inductance of the circuit in the figure below is 9.60 10-8 H. Find the back emf when the…
A: Given data The self-inductance is given as L = 9.60 x 10-8 H. The rate of increase in current is…
Q: 102. A 12 H in rate must the cu in the inductor?
A: Since there are multiple questions posted, we will answer the first question for you. If you want…
Q: The self-inductance of the circuit in the figure below is 1.10 x 10-7H. Find the back emf when the…
A: Given: The inductance of the circuit is 1.1x10-7 H. The rate of current increasing at the rate of…
Q: The resistance of a coil is 50 0. When the frequency is 80 Hz, the voltage on the coil is 62,3 ahead…
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Q: The current in a coil changes from 3-70 A to -goA in the same direction in 0.510s. It the Werage emf…
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Q: The current in a coil drops from 3.8 A to 1.9 A in 0.52 s. If the average emf induced in the coil is…
A: The self induction of the coil is 3.28 mH
Q: The inductance of a closely packed coil of 400 turns is 6.5 mH. Calculate the magnetic flux (per…
A: The coil with 400 turns can be considered as a solenoid. The expression for inductance of a solenoid…
Q: if two coils placed next to one I know there have a mutual inductance of 3.00 MH, what voltage (in…
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Q: A current 10 A in the primary of a transformer is reduced to zero at the uniform rate in 0.1 second.…
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Q: Calculate the self-inductance L if 10A current is flowing in the 4 turns air filled coil.
A: Given data, Number of turns in the solenoid = 4 Length = 2 cm Current through the coil = 10 A
Q: The current in a coil drops from 3.5 A to 2.0 A in 0.50 s. Ifthe average emf induced in the coil is…
A: Writing the formula for induced emf:
Q: An e.m.f of 30 volts is induced in a coil of inductance 60 H, then the rate of change of current is…
A: Given data: The e.m.f. induced in the coil is, e=30 V The inductance of the inductor is, L= 60 H…
Q: An inductor consists of 100 turns of wire tightly wound about an insulating core. It is attached to…
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Q: The self-inductance of the circuit in the figure below is 9.20 10-8 H. Find the back emf when the…
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Q: A 52-turn coil with an area of 3.4 X10 m² is dropped from a position where 8 = 0.00 T to a new…
A: Faraday law states that Emf induced is equal to the rate of change of flux. E=dϕdt According to…
Q: When 100V D.C. is applied across a coil, a current of 1A flows through it. When 100 V A.C. of…
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Q: The self-inductance of the circuit in the figure below is 1.10 10-7 H. Find the back emf when the…
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Q: The inductance of a closely packed coil of 400 turns is 8.0 mH. Calculate the magnetic flux through…
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Q: A current is changing at the rate of 5A/s in one coil, induces an e.m.f. of 4v in the neighbouring…
A: We have provided information- es=4 Vdipdt=5A/sM=?
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