Q. The deflection magnetometer is most sensitive when deflection $\theta$ is
A) Nearly zero
B) Nearly 30${^\circ}$
C) Nearly 45${^\circ}$
D) Nearly 90${^\circ}$
Explanation
(a) The deflection magnetometer is most sensitive in the null method $ie,$ when $\theta = 0{^\circ}$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.