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Physics
Physics
Problem
An electric heater of resistance
40
Ω
40\,\Omega
40
Ω
is connected to a
200
V
200\,\text{V}
200
V
mains supply for
10
10
10
minutes. How much heat energy is produced? a)
60
kJ
60\,\text{kJ}
60
kJ
b)
360
kJ
360\,\text{kJ}
360
kJ
c)
600
kJ
600\,\text{kJ}
600
kJ
d)
120
kJ
120\,\text{kJ}
120
kJ
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