In an – circuit

PHYSICS · Multi-part · AP · Physics C: Electricity and Magnetism · Electromagnetic Induction · Electromagnetic Induction

Problem

In an

L

–

C

circuit,

L=0.75\,\text{H}

and

C=18\,\mu\text{F}

. (a) At the instant when the current in the inductor is changing at a rate of

3.40\,\text{A/s}

, what is the charge on the capacitor? (b) When the charge on the capacitor is

4.2\times10^{-4}\,\text{C}

, what is the induced emf in the inductor?