A cell of internal resistance r drives current through an external resistance R. The power delivered by the cell to the external resistance will be maximum when:

A cell of internal resistance r drives current through an external res

1.	A cell of internal resistance r drives current through an external resistance R. The power delivered by the cell to the external resistance will be maximum when:
A.	R = 0.001 r
B.	R = 1000 r
C.	R = 2r
D.	R = r
Answer» E.

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A cell of internal resistance r drives current through an external resistance R. The power delivered by the cell to the external resistance will be maximum when:

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