Question

In a bar magnet, the ratio of magnetic length to geometrical length is nearly

• A. $0.74$
• B. $0.80$
• C. $0.84$
• D. $0.94$

Answer 1

Answer: (C)

$0.84$

Answer 2

In a bar magnet, magnetic length is slightly less than geometrical length.
Magnetic length $=5/6$ (Geometric length)