Physics

Problem

In a series

RLC

circuit, the measured rms voltages are

V_R = 50\,\text{V}

V_L = 120\,\text{V}

and

V_C = 70\,\text{V}

. The rms value of the supply voltage is a)

100\,\text{V}

148\,\text{V}

71\,\text{V}

120\,\text{V}