JEE Main 8 Apr 2019 Paper 2 Solved Paper

Section: Physics

Question : 2 of 90

Marks: +1, -0

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:

[8 Apr 2019 Shift 2]

R = 1000 r
R = r
R = 2r
R = 0.001 r

Validate

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