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Electromagnetic induction

Electromagnetic induction
A moving magnetic field will produce the same effect as a conductor that is moving.

True
False

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Electromagnetic induction
A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is

500 ohms
5000 ohms
1000 ohms
100 ohms

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

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

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Electromagnetic induction
Increasing the field or increasing the current will decrease the force on the conductor.

No
Yes

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Electromagnetic induction
Mutually inductance between two magnetically coupled coils depends on

The number of their turns
Permeability of the core
All of the listed here
Cross-sectional area of their common core

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Electromagnetic induction
As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it

Lies in a magnetic field
Moves parallel to the direction of the magnetic field
Lies perpendicular to the magnetic flux
Cuts magnetic flux

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