Q. Three identical bar magnets each of magnetic moment $M$ are placed in the form of an equilateral triangle as shown. The net magnetic moment of the system is
A) Zero
B) $2\ M$
C) $M\sqrt{3}$
D) $\frac{3M}{2}$
Explanation
(b) The resultant magnetic moment can be calculated as follows:
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.