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In a potentiometer experiment when a bat...

In a potentiometer experiment when a battery of emf 2V is included in the secondary circuit the balance point is 500 cm. Find the balancing length of the same end when a cadimum cell of emf 1.018V is connected to the secondary circuit.

Text Solution

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`E propto l`
`E_(1)/E_(2) =l_(1)/l_(2)`
`l_(2) =E_(2)/E_(1) xx l_(1) = 1.018/2 xx 500 = 254.5` cm
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