## Physics (10th Edition)

Energy E=Power$\times$Time$=75\,W\times60\,s=4500\,J$ Energy is related to capacitance and potential difference; $E=\frac{1}{2}CV^{2}$ $\implies V=\sqrt {\frac{2E}{C}}=\sqrt {\frac{2\times4500\,J}{3.3\,F}}=52\,V$