Questions
When two identical batteries of internal resistance each are connected in series across a resistor R, the rate of heat produced in R is J1. When the same batteries are connected in parallel across R, the rate is J2. If then the value of R in is
detailed solution
Correct option is D
Given that J1 = 2.25 J2
on solving we get R=4
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detailed solution
Correct answer is 4
Given that J1 = 2.25 J2
on solving we get R=4
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