In a potentiometer experiment, the galvanometer shows no deflecti… - Vidyadip

Question

In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across 60 cm of the potentiometer wire. If the cell is shunted by a resistance of 6Ω, the balance is obtained across 50 cm of the wire. The internal resistance of the cell is(a) 0.5 Ω(b) 0.6 Ω(c) 1.2 Ω(d) 1.5 Ω

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Answer

(c) 1.2 Ω

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