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Acell of internal resistance r drives a ...

Acell of internal resistance `r` drives a current through an external resistance `R`. The power delivered by the cell to the external resistance is maximum when

A

The cell supplies a power EI

B

The heat is produced in R at the rate = EI

C

The heat is produced in R at the rate = `(EI)R/(R + r)`

D

The heat is produced in cell at the rate = `(EI)r/(R + r)`

Text Solution

Verified by Experts

The correct Answer is:
B
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