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Grade 11IIT JEE Entrance Exam

A battery of 10 V and internal resistance 0.50 is connected across a variable resistance R. The value of R for which the power delivered is maximum is equal to

(a) 0.25 W

(b) 0.5 W

(c) 1.0 W

(d) 2.0 W

Profile image of Simran Bhatia
12 Years agoGrade 11
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1 Answer

Profile image of Hrishant Goswami
12 Years ago

(b)

Power is maximum when r = R, R = r = 0.5W.

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