Physics > 2008 > 40
JAMB UTME
An electric generator has an e.m.f. of 240V and an internal resistance of 1Ω. If the current supplied by the generator is 20A when the terminal voltage is 220V,
find the ratio of the power supplied to the power dissipated.
find the ratio of the power supplied to the power dissipated.
A.
11:1
B.
1:11
C.
12:11
D.
11:12
Answer: C
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