Physics > 2009 > 41
JAMB UTME
An electric lamp marked 240V, 60W is left to operate for an hour. How much energy is generated by the filament?
A.
3.86 x 105 J
B.
3.56 x 105 J
C.
1.80 x 104 J
D.
2.16 x 105 J
Answer: D
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