Physics > 2021 > 31
WASSCE
In the diagram above , a bulb is lit by drawing 2.0a from 440V a.c source . calculate the cost of keeping the bulb on the two days at $0.40 per kilowatt-hour
A.
$ 16.90
B.
$ 48.48
C.
$ 1690.00
D.
$ 8.48
Answer: A
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