The potential difference in open circuit for a cell is 2.2 volts. When – McqOptions

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1.	The potential difference in open circuit for a cell is 2.2 volts. When a 4 ohm resistor is connected between its two electrodes the potential difference becomes 2 volts. The internal resistance of the cell will be [MP PMT 1984; SCRA 1994; CBSE PMT 2002]
A.	1 ohm
B.	0.2 ohm
C.	2.5 ohm
D.	0.4 ohm
Answer» E.

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