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A battery of emf E and internal resistan...

A battery of emf E and internal resistance r is connected to a variable resistor R as shown in figure. Which one of the following is true ?

A

Potenital difference across the terminals of the battery is maximum, when R=r

B

Power delivered to the resistor is maximum when R=r

C

Current in the circuit is maximum when R=r

D

Current in the circuit is maximum when `R gt gt r`

Text Solution

Verified by Experts

The correct Answer is:
C
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