A resistor carries a current that varies with time according to

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

Problem

10\,\Omega

resistor carries a current that varies with time according to

I(t)=2\sin(100\pi t)\,\text{A}

. Determine the average power (in watt) dissipated in the resistor over one complete cycle of the current. (a)

40\,\text{W}

(b)

10\,\text{W}

(c)

20\,\text{W}

(d)

16\,\text{W}