Heat produced per second in a metal block due to eddy currents is directly proportional to

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

Problem

Heat produced per second in a metal block due to eddy currents is directly proportional to (a)

\dfrac{I^{2}}{R}

(b)

I^{2} R

(c)

I R

(d)

\dfrac{I}{R}