PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity
Problem
An electric heater is rated 1.5kW. It is switched on for 2h. The work done (energy consumed) in joules is
(a) 7.2×106J
(b) 5.4×106J
(c) 1.08×107J
(d) 1.08×106J