In the potentiometer circuit shown in th...

In the potentiometer circuit shown in the figure the internal resistance of the 6V battery is `1Omega` and length of the wire AB is 100 cm . When AD = 60 cm , the galvanometer shows no deflection . The EMF of the cell C is (the resistance of the wire AB is `2Omega` )

0.7V

0.8V

0.9V

1.0V

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