1.

The e.m.f. of a standard cell balances across 150 cm length of a wire of potentiometer. When a resistance of \[2\,\Omega \] is connected as a shunt with the cell, the balance point is obtained at \[100\,cm\]. The internal resistance of the cell is [MP PET 1993]

A. \[0.1\,\Omega \]
B. \[1\,\Omega \]
C. \[5\,V/m\]  
D. \[0.5\,\Omega \]
Answer» C. \[5\,V/m\]  


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