Physics, asked by ricky5056, 1 year ago

Comparison of emfs of two cells using potentiometer

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Answered by SonaliMajhi
0
Here, the fall of potential along the length l of the potentiometer wire is equal to the emf of the cell, as no current is being drawn from the cell. Then, ... Thus it is possible to compare the emf's of two given cells by measuring the respective balancing lengths l1 and
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