Current Electricity

Question: 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

1) $0.1\,\Omega $

2) $1\,\Omega $

3) $2\,\Omega $

4) $0.5\,\Omega $

Solution:

Explanation: No Explanation

Different Measuring Instruments Potentiometer Meter Bridge

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