1.

When a resistance of 2ohm is connected across the terminals of a cell, the current is 0.5 amperes. When the resistance is increased to 5 ohm, the current is 0.25 amperes. The internal resistance of the cell is                                   [MP PMT 1996]

A.                    \[0.5\,ohm\]
B.                                      \[1.0\,ohm\]
C.                    \[1.5\,ohm\]                
D.            \[2.0\,ohm\]
Answer» E.


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