Question

A current of 2A is passed through a coil of resistance 75​Ω for 2 minutes.

(A) How much is heat energy produced?

(B) How much charge is passed through the resistance.

Answer 1

Dear Student ,
$$\begin{gathered} \left(A\right)Heatisgenerated=H=I^{2}Rt=4\times 75\times 2\times 60=36000J \\ \left(B\right)Theamountofchargeispassedthroughtheresis\tan ceis, \\ q=It=4\times 2\times 60=480C \end{gathered}$$

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