1.

A Daniel cell is balanced on 125\[cm\] length of a potentiometer wire. Now the cell is short-circuited by a resistance 2 ohm and the balance is obtained at 100\[cm\]. The internal resistance of the Daniel cell is             [UPSEAT 2002]

A.                    0.5 ohm
B.                                      1.5 ohm
C.                    1.25 ohm                        
D.            4/5 ohm
Answer» B.                                      1.5 ohm


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