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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.

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`Epropl`
`(E_(1))/(E_(2))=(l_(1))/(l_(2))`
`l_(2)=(E_(2))/(E_(1))xxl_(1)=(1.018)/(2)xx500=254.5 cm`
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