Physics

Problem

A series circuit with

R = 10\,\Omega

L = 50\,\text{mH}

and

C = 200\,\mu\text{F}

is connected to a

100\,\text{V}

(rms) source of frequency

80\,\text{Hz}

. Which of the following is the rms current in the circuit? a)

I_{\text{rms}}\;\approx\;7.8\,\text{A}

I_{\text{rms}}\;\approx\;4.0\,\text{A}

I_{\text{rms}}\;\approx\;5.5\,\text{A}

I_{\text{rms}}\;\approx\;2.8\,\text{A}