A 250- resistor is connected in series with a 4.80-F capacitor. The voltage across the capacitor is

Question:

A 250- Ω resistor is connected in series with a 4.80-µF capacitor. The voltage across the capacitor is Vc = (7.60V) sin [(120 rad/s)t].
(a) Determine the capacitive reactance of the capacitor.
(b) Derive an expression for the voltage vR across the resistor.