Q. Consider a short magnetic dipole of magnetic length 10 cm. Its geometric length is
A) 12 cm
B) 8 cm
C) 10 cm
D) 14 cm
Explanation
(a) Geometric length of a magnet is $\frac{6}{5}$ times its magnetic length.
$\therefore$ Geometric length $= \frac{6}{5} \times 10 = 12\ cm$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.