Question

calculate the energy transfer when 2A current flow through 10 resistance and 30min

Answer 1

E= I^2Rt= 2×2×10×30×60=72000J=72kJ

Answer 2

Answer:

E=72KJ

Explanation:

TIME=30*60=1800s

H=I^2RT THEREFORE, ENERGY IS NOTHING BUT HEAT ENERGY.SO

E=I^2RT

E=(2)^2*10*1800

E=4*18000

E=72000J