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Electromagnetic induction

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

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

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Electromagnetic induction
A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage?

0.5 s
0.2 s
None of the listed here
0.1 s

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Electromagnetic induction
A conductor 2 meters long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be

10 V
25 V
15 V
12 V

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Electromagnetic induction
The magnitude of the induced e.m.f. in a conductor depends on the

Amount of flux cut
Rate of change of flux-linkages
Flux density of the magnetic field
Amount of flux linkages

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Electromagnetic induction
Reversing the field or the current will reverse the force on the conductor.

No
Yes

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

Resistance
Capacitance
Inductance
All of the listed here

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MORE MCQ ON Electromagnetic induction

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