Q. The resistance in which the maximum heat is produced is given by
A) 2$\Omega$
B) 6$\Omega$
C) $4\Omega$
D) 12$\Omega$
Explanation
(a) Here, all resistance are in parallel.
$\therefore\mathrm{\Delta}H = \frac{V^{2}}{R}t$
$\therefore\mathrm{\Delta}H \propto \frac{1}{R}$
Hence, (a) is correct.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.