Physics > 2009 > 39
WASSCE
A cell of e.m.f 1.5V is connected in series with a resistor of resistance 3.0A voltmeter connected across the cell registers 0.9V. Calculate the internal resistance of the cell.
A.
2.0Ω
B.
3.0Ω
C.
5.0Ω
D.
6.0Ω
Answer: A
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