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A heater draws of current from a mains supply
PHYSICS · Single correct · GCSE · Physics · Electricity · Electricity
Problem
A heater draws
4
A
4\,\text{A}
4
A
of current from a
240
V
240\,\text{V}
240
V
mains supply. Find the rate at which it converts electrical energy, expressed in the proper SI unit. (a)
240
W
240\,\text{W}
240
W
(b)
960
W
960\,\text{W}
960
W
(c)
60
W
60\,\text{W}
60
W
(d)
3840
W
3840\,\text{W}
3840
W
Related theory
Electric Power
Electricity
Electrical power and energy
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