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An electric kettle is rated
PHYSICS · Single correct · GCSE · Physics · Electricity · Electricity
Problem
An electric kettle is rated
500
W
500\,\text{W}
500
W
. How much time will it take to generate
90
kJ
90\,\text{kJ}
90
kJ
of heat energy? (a)
6.0
min
6.0\,\text{min}
6.0
min
(b)
3.0
min
3.0\,\text{min}
3.0
min
(c)
1.5
min
1.5\,\text{min}
1.5
min
(d)
2.0
min
2.0\,\text{min}
2.0
min
Related theory
Electric Power
Electrical energy and power
Current Electricity
Electricity
Electrical power and energy
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