Physics

Problem

A coil of inductance

L = 0.10\,\text{H}

and resistance

R = 20\,\Omega

is connected in series with a capacitor of capacitance

C = 50\,\mu\text{F}

to an a.c. source of frequency

f = 60\,\text{Hz}

. Calculate the magnitude of the impedance of the circuit.