# 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:

$\overline{){\mathbf{\epsilon }}{\mathbf{=}}{\mathbf{-}}{\mathbf{L}}\frac{\mathbf{d}\mathbf{i}}{\mathbf{d}\mathbf{t}}}$

###### 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.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the LR Circuits concept. You can view video lessons to learn LR Circuits. Or if you need more LR Circuits practice, you can also practice LR Circuits practice problems.