Question

In an electric circuit, where 2 lamps A, B and C of resistances 10 Ω, 20 Ω and 30 Ω, respectively, are in parallel and a battery of 60 V is applied across them the total power dissipation in the circuit is:

• A. 620 W
• B. 660 W
• C. 700 W
• D. 560 W

Answer 1

Answer: (B)