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ELECTROMAGNETIC INDUCTION

Electromagnetic induction
The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as

Series aiding inductance
Capacitance
Self-inductance
Mutual inductance

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Electromagnetic induction
Which circuit element(s) will oppose the change in circuit current?

Inductance only
Resistance only
Inductance and capacitance
Capacitance only

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

Resistance
All of the listed here
Inductance
Capacitance

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

1200 uH
300 uH
900 uH
600 uH

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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
2.0
2.5
0.5

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