A lamp marked 100W, 250V is lit for 10 hours. If it operates normally and 1KWh of electrical energy costs 2k, what is the cost of lighting the lamp?

a

1k

b

2k

c

5k

d

10k

e

20k

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Correct Option
b

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Discussions (4)

ezeugwutobefrancis
11 years ago

nice exams

kyut
2 years ago

The question asked to find the cost of lighting the lamp

thought it should be PVT now. or am I wrong?

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