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Electromagnetic induction

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

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

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

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

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

1.0
2.5
0.5
2.0

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Electromagnetic induction
If current in a conductor increases then according to Lenz's law self-induced voltage will

Produce current opposite to the increasing current
Aid the increasing current
Aid the applied voltage
Tend to decrease the amount of current

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Electromagnetic induction
Which of the following circuit elements will oppose the change in circuit current?

All of the listed here
Capacitance
Resistance
Inductance

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Electromagnetic induction
Which of the following circuit element stores energy in the electromagnetic field?

Variable resistor
Condenser
Inductance
Resistance

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MORE MCQ ON Electromagnetic induction

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