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If the external resistance is equal to i...

If the external resistance is equal to internal resistance of a cell of emf E. The current across the circuit is

A

`(E)/(r)`

B

`(r)/(E)`

C

`(r)/(2E)`

D

`(E)/(2r)`

Text Solution

Verified by Experts

The correct Answer is:
D
`i=(E)/(R+r)`
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