Question

An electric heater salted at 1500w.how much heat is produced per hour?

Answer 1

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Answer 2

Given :
Power =P=1500w
time=1hour=60x60 seconds
heat =H=?
P=IxV⇒I²R=1500w
Amount of heat energy produced will be given by Joule' s law of heating.
H=I²Rt
=1500x60x60
=540x10000
5400000Joules
or
5.4x 10⁶ joules.