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Electromagnetic induction

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

Inductance only
Inductance and capacitance
Capacitance only
Resistance only

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

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

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Electromagnetic induction
A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is

250 mH
350 mH
None of the listed here
3500 mH

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Electromagnetic induction
The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be

48 mH
3 mH
12 mH
24 mH

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Electromagnetic induction
A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by

Variation in coil current
The resistance of magnetic path
Variation in voltage to the coil
Change of number of turns of coil

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Electromagnetic induction
Which of the following is unit of inductance?

Hennry
Ampere turns
Weber/metre
Ohm

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