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A Daniel cell is balanced on 125 cm leng...

A Daniel cell is balanced on `125 cm` length of a potentiometer wire. Now the cells is short-circuited by a resistance `2 ohm` and the balance is obtained at `100 cm`. The internal resistance of the Dainel cell is

A

`0.5" ohm"`

B

`1.5" ohm"`

C

`1.25" ohm"`

D

`4//5" ohm"`

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TARGET PUBLICATION-CURRENT ELECTRICITY -Competitive Thinking
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