CUET · PHYSICS · PYQ PAPER 2025
The resistance of a cylindrical conductor is :
- A inversely proportional to its length
- B directly proportional to the square of the radius
- C inversely proportional to the square of the radius
- D directly proportional to the square root of its length
Answer & Solution
Correct Answer
(C) inversely proportional to the square of the radius
Step-by-step Solution
Detailed explanation
\( R = \rho \frac{L}{A} \) \( R = \rho \frac{L}{\pi r^2} \) Resistance is inversely proportional to the square of the radius.
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