Q. The resistances of a wire at temperatures $t℃$ and $0℃$ are related by

A) $R_{t} = R_{0}(1 + \alpha t)$
B) $R_{t} = R_{0}(1 - \alpha t)$
C) $R_{t} = R_{0}^{2}(1 + \alpha t)$
D) $R_{t} = R_{0}^{2}(1 - \alpha t)$
Explanation

The correct answer is Option A: $R_{t} = R_{0}(1 + \alpha t)$.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.