Question

A magnet when placed perpendicular to a uniform field of strength $10 ^ { - 4 } \mathrm {~Wb} / \mathrm { m } ^ { 2 }$ experiences a maximum couple of moment$4 \times 10 ^ { - 5 } \mathrm {~N} / \mathrm { m }$. What is its magnetic moment

• A.
• B.
• C.
• D. (e)

Answer 1

Answer: (A)

Answer 2