A coil consists of 750 turns and a current of 10A in the coil gives rise to a magnetic flux of 1200wb. Calculate the inductance of the coil and the average emf induced in the coil when the current is reversed in 0.01s.

Q: Find the average emf induced in a 500 turns coil if there is a current change of 0.25 ampere in time…

A: The average emf induced in a coil can be calculated using Faraday's law of electromagnetic…

Q: An induced EMF of 16 V exists in a coil when the current in the coil changes at a rate of 42 A/s.…

A: Given data: Induced EMF is, e=16 V. Rate of change of current is, dIdt=42 A/s.

Q: An emf of 9.7mV is induced in a coil while the current in a nearby coil is decreasing at a rate of…

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Q: An emf of 9.7 x 10-3 V is induced in a coil while the current in a nearby coil is decreasing at a…

A: Given that,The mutual inductance of two coils is 3.6×10-3 Hwhere, ε=9.7×10-3 Vand dIdT=2.7 A/sEmf of…

Q: A direct current of 25A creates a flux of 1.4 X 10-4 Wb in a coil of 500 turns.  What is the…

A: Given that, Current I = 25 A Flux ϕ=1.4×10-4 Wb Number of turns = 500

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: What is the inductance of a coil in which the average emf induced is 21V when the current in the…

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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: An emf of 8V is induced in a given coil when the current in it changes at the rate of 32 A/ sec.…

A: Given data:   Induced emf, ε=8V    Current, dIdt= 32 A/sec

Q: Two coils are made using the same length of wire and the same number of turns per length, but coil A…

A: Given that, The coils are made using the same length of wire and the same number of turns per…

Q: A coil has an Inductance of 50μH. What voltage is induced across the coil when the rate of change of…

A: Given, Inductance of coil, L = 50 μH rate of change of current, dIdt = 10000 As

Q: The current in an inductor decreases linearly from 2 mA to zero in 4 ms. Calculate the average emf…

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Q: An induced EMF of 16 V exists in a coil when the current in the coil changes at a rate of 42 A/s.…

A: Given:Induced emf, E = 16VRate of change of current, didt = 42 A/sAsked:Self inductance of the coil,…

Q: An emf of 121.5 mV is induced in the windings of a coil when the current in a nearby coil is…

A: The formula for the induced emf in term of mutual inductance is:

Q: EMF of 0.218V is induced in a coil when the current in a second coil is changing at a rate of…

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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: When 100 volt D.C is applied across a coil, a current of one ampere flows through it, when 100V ac…

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Q: An emf of 96.0 mV is induced in the windings of a coil when the current in a nearby coil is…

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Q: coil has 2.55-Ω resistance and 121-mH inductance. If the current is 3.00 A and is increasing at a…

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Q: The mutual inductance between two coils is 3.25 mH. A changing current in the primary coil resulted…

A: Given data: Mutual inductance of the coil L =3.25mH Current I =5.45mA Resistance R =9 ohms

Q: An emf of 96.0 mV is induced in the windings of a coil when the current in a nearby coil is…

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Q: A direct current of 25A creates a flux of 1.4 X 10-4 Wb in a coil of 500 turns.  What is the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The mutual inductance between the primary and secondary of a transformer is 0.3H. Compute the…

A: Given : Mutual inductance between the primary and secondary of a transformer = 0.3 H…

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: What is the inductance of a coil in which the average emf induced is 21V when the current in the…

A: We know that,Average induced emf, εε=LdidtSo, Inductance of coil, L=εdidt

Q: An emf of 8V is induced in a given coil when the current in it changes at the rate of 32 A/ sec.…

A: Given that-Induced emf, ε= 8VCurrent, didt= 32 A/secInductance of the coil-⇒ε=L×dIdt

Q: The current in a coil decreases from 9.0 A to 5.5 A in 0.30 s. If the average emf induced in the…

A: Solution: given that current in a coil decreases from 9.0 A to 5.5 A in 0.30 s emf  = 25 mV

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: Two coils are placed side by side. An emf of 0.8 V is observed in one coil when the current is…

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