An electric kettle rated 1200 W is operated for 10 minutes
PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits
Problem
An electric kettle rated 1200 W is operated for 10 minutes. Afterwards, a 60 W lamp is connected to the same supply. For what time should the lamp burn so that the combined electrical energy consumed by the kettle and the lamp is exactly 0.5 kWh?