Assertion (A): Permeability of the core material does not affects the self-inductance of a coil.
Reason (R): Self-inductance only depends on number of turns and A of cross-section.

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A).
B. Both (A) and (R) are true but (R) is not the correct explanation of (A).
C. (A) is true but (R) is false.
D. (A) is false and (R) is also false.

Answer

D

Explanation

(A) is false and (R) is also false.
Explanation: `L= mu_(0)n^(2)lA`