Question

Strength of electric current in a circuit is 2 A and its resistance is 2 ohm. Find the amount of heat generated in the circuit in 5minutes.

Answer 1

Heat generated = I^2 * R * t

I=2 and R=2. t=1/12hr

Heat generated = $\frac{4*2*1}{12}$

= 2/3 watts/hr