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In the circuit shown below, the internal...


In the circuit shown below, the internal resistance of the cell is negligible. The distance of the slider from the left-hand end of the slide wire is l. The graph shows the variation with l of the current I in the cell.
E.M.F. of the cell is:

A

0.98V

B

1.20V

C

1.86V

D

2.00V

Text Solution

Verified by Experts

E=IR=xl here `x=6.00/100V/cm`, By putting values of l and l
we get `E-0 times R=6.00/100 times 20, E=6.0/5=1.20V`
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