Physics · 2016
JEE Main · 9 April 2016, Shift 1 · Q14
In the circuit shown, the resistance r is a variable resistance. If for r=f R, the heat generation in r is maximum then the value of f is:
In the circuit shown, the resistance $\displaystyle r$ is a variable resistance. If for $\displaystyle r=f \mathrm{R}$, the heat generation in $\displaystyle r$ is maximum then the value of $\displaystyle f$ is :
Official answer
(2)
$\displaystyle \frac{1}{2}$
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JEE Main 2016 Physics question, with the answer from NTA’s final answer key. Where our answers come from.