Q 12-05-013NEETJEE MainMedium
The work done in turning a magnet of moment $M$ from the direction of a uniform field $B$ to the opposite direction is
Answer: (D) $2MB$
$W = MB(\cos 0° - \cos 180°) = 2MB$.
Solution by Sreeraj P, M.Sc Physics
The work done in turning a magnet of moment $M$ from the direction of a uniform field $B$ to the opposite direction is
Answer: (D) $2MB$
$W = MB(\cos 0° - \cos 180°) = 2MB$.
Solution by Sreeraj P, M.Sc Physics