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In a potentiometer experiment the balanc...

In a potentiometer experiment the balancing length with a cell is 560 cm. When an external resistance of `10Omega` is connected in parallel to the cell, the balancing length changes by 60 cm. Find the internal resistance of the cell.

A

`1.4 Omega`

B

`1.6 Omega`

C

`1.12 Omega`

D

`1.2 Omega`

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The correct Answer is:
D
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