1.

The reading of a high resistance voltmeter when a cell is connected across it is 2.2 V. When the terminals of the cell are also connected to a resistance of \[5\,\Omega \] the voltmeter reading drops to 1.8 V. Find the internal resistance of the cell                                                                                                            [KCET 2003; MP PMT 2003]

A.                    \[1.2\,\Omega \]
B.                                      \[1.3\,\Omega \]
C.                    \[1.1\,\Omega \]        
D.            \[1.4\,\Omega \]
Answer» D.            \[1.4\,\Omega \]


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