question_answer

Electrical energy consumed in an electrical circuit is given by (symbols have their usual meanings)

A) \[\left( \frac{{{I}^{2}}Rt}{4.2} \right)\]Joule      

B) \[\left( \frac{{{V}^{2}}t}{R} \right)\]Joule

C) \[\left( \frac{{{V}^{2}}R}{t} \right)\]cal             

D) \[({{V}^{2}}Rt)\]Joule