Physics > 2001 > 31
JAMB UTME
A cell can supply currents of 0.4A and 0.2A through a 4.0Ω and 10.0Ω resistors respectively. The internal resistance of the cell is
A.
1.5Ω
B.
1.0Ω
C.
2.5Ω
D.
2.0Ω
Answer: D
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