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The diagram shows a circuit used in an e...

The diagram shows a circuit used in an experiment to determine the emf and internal resistance of the cell C. A graph was plotted of the potential difference V between the terminals of the cell against the current I, which was varied by adjusting the rheostat. What is the internal resistance of the cell?

A

xy

B

y/x

C

x/y

D

(x-y)

Text Solution

Verified by Experts

The correct Answer is:
B
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