A cell of e.m.f. 1.5V is connected in series with a resistor of resistance 39. A high-resistance voltmeter connected across the cell registers only 0.9V. Calculate the internal resistance of the cell
-
A.
1.85Ω -
B.
2.0Ω -
C.
2.4Ω -
D.
4.5Ω -
E.
5.0Ω
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