Q. At a place, if one earth’s horizontal and vertical components of magnetic fields are equal, then the angle of dip will be
A) $30{^\circ}$
B) $90{^\circ}$
C) $45{^\circ}$
D) $0{^\circ}$
Explanation
(c) $B_{V} = B_{H}\tan\phi;$ If $B_{V} = B_{H}$, then $\tan\phi = 1$ or $\phi = 45{^\circ}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.