Moving Coil Galvanometer | MCQs Quiz

In a moving coil galvanometer, the deflecting torque τ acting on the coil is related to the current I flowing through it as-

(A) τ ∝ I³

(B) τ ∝ I²

(C) τ ∝ I

(D) τ ∝ √I

Assertion- On increasing the current sensitivity of a galvanometer by increasing the number of turns, may not necessarily increase its voltage sensitivity.
Reason- The resistance of the coil of galvanometer increases on increasing the number of turns.