A lamp rated 100W, 240V is lit for 5hours. Calculate the cost of lighting the lamp if 1kWh of electrical energy cost N5.
a
N2.50
b
N3.20
c
N6.50
d
N9.60
Explanation
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A lamp rated 100W, 240V is lit for 5hours. Calculate the cost of lighting the lamp if 1kWh of electrical energy cost N5.
N2.50
N3.20
N6.50
N9.60
No video available
