Question

For bar magnet effective length $\left(L_e\right)$ related with geometrical length $\left(L_g\right)$ as

• A. $Le=\frac{6}{5}{L}_g$
• B. $Le=\frac{5}{6}{L}_g$
• C. $Le=L_g$
• D. $Le=2L_g$

Answer 1

Answer: (B)

Correct answer is (b) $Le=\frac{5}{6}{L}_g$