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Electromagnetic induction

Electromagnetic induction
In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be

2.0
0.5
1.0
2.5

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Electromagnetic induction
Which of the following is not a unit of inductance?

Hennry
Coulomb/volt ampere
All of the listed here
Volt second per ampere

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Electromagnetic induction
The law that the induced e.m.f. and current always oppose the cause producing them is due to

Faraday
Coulomb
Lenz
Newton

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Electromagnetic induction
The coefficient of coupling between two air core coils depends on

None of the listed here
Mutual inductance between two coils only
Self-inductance of two coils only
Mutual inductance and self inductance of two coils

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Electromagnetic induction
An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be

16 A/s
12 A/s
4 A/s
20 A/s

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Electromagnetic induction
Two 300 uH coils in series without mutual coupling have a total inductance of

1200 uH
600 uH
900 uH
300 uH

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MORE MCQ ON Electromagnetic induction

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