A camera flash unit uses a capacitor of charged to

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

Problem

A camera flash unit uses a capacitor of

500\,\mu\text{F}

charged to

300\,\text{V}

. Calculate the energy stored in the capacitor. (a)

45\,\text{J}

(b)

22.5\,\text{J}

(c)

11.25\,\text{J}

(d)

225\,\text{J}