Question

A circuit transforms 2.2×103 J of energy when it is operated for 3.0 min.Determine the amount of energy it will transform when it is operated for 1 h.

Answer 1

Energy is directly proportional to time. $\frac{E}{E'} =\frac{t}{t'}$

$E'=22×103×\frac{60}{3}$

$E'=45320 J$