The energy dissipated by a resistor is $10 \,mJ$ in $1\,s$ when an electric current of $2\, mA$ flows through it. The resistance is $....... \Omega$
(Round off to the Nearest Integer)
JEE MAIN 2021, Easy
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$Q = i ^{2} RT$
$R =\frac{ Q }{ i ^{2} t }=\frac{10 \times 10^{-3}}{4 \times 10^{-6} \times 1}=2500\,\Omega$
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