Question: A 2-kW electric resistance heater in a room is turned on and kept on for 30 min. The amount of energy transferred to the room

A 2-kW electric resistance heater in a room is turned on and kept on for 30 min. The amount of energy transferred to the room by the heater is
(a) 1 kJ (b) 60 kJ (c) 1800 kJ (d) 3600 kJ (e) 7200 kJ

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