A capacitor is required to store of energy

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

4.7\,\mu\text{F}

capacitor is required to store

1.1\,\text{J}

of energy. To what potential difference must it be charged? (a)

3.3\times10^{2}\,\text{V}

(b)

4.8\times10^{2}\,\text{V}

(c)

6.8\times10^{2}\,\text{V}

(d)

2.2\times10^{3}\,\text{V}