1.

Calculate the energy dissipated by the circuit in 50 seconds.(a) 50kJ(b) 50J(c) 100j(d) 100kJ

Answer» Correct choice is (a) 50kJ

The best I can explain: Here V = 100 and R = 10. Power in the circuit= V^2/R = 100^2/10 = 1000W.

Energy= Pt= 1000*50 = 50000J = 50kJ.


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