Question

In a moving coil galvanometer, the deflection of the coil $\theta$ is related to the electrical current i by the relation

• A. (a) $i \propto \tan \theta$
• A. (b) $i \propto \theta$
• A. (c) $i \propto \theta ^ { 2 }$
• A. (d) $i \propto \sqrt { \theta }$

Answer 1

(b)

Sol. $i \propto \theta$