Problem: Which of the following statements about inductors are correct?A) When an inductor and a resistor are connected in series with a DC battery, the current in the circuit is reduced to zero in one time constant.B) When it is connected in a circuit, an inductor always resists having current flow through it.C) An inductor always resists any change in the current through it.D) When an inductor and a resistor are connected in series with a DC battery, the current in the circuit is zero after a very long time.E) Inductors store energy by building up charge.

FREE Expert Solution

Induced emf to oppose any current change:

ε=-Ldidt

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Problem Details

Which of the following statements about inductors are correct?

A) When an inductor and a resistor are connected in series with a DC battery, the current in the circuit is reduced to zero in one time constant.

B) When it is connected in a circuit, an inductor always resists having current flow through it.

C) An inductor always resists any change in the current through it.

D) When an inductor and a resistor are connected in series with a DC battery, the current in the circuit is zero after a very long time.

E) Inductors store energy by building up charge.

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