Capacitor practice problems
Refresh the page to get a new problem.

Read the capacitor class notes.

The voltage across a capacitor with C = 150 μF is sinsuoidal:

v_C(t) = V_A·cos ωt, where V_A = 9 V and ω = 40 rad/sec.

Determine the expression for the capacitor current and calculate the value of the amplitude.

Answer