engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Physics Magnetism and Maxwell's Equations Magnets
A circular current loop of magnetic moment M is in an arbitrary orientation in an external uniform magnetic field \(\vec B\). The work done to rotate the loop by 30° about an axis perpendicular to its plane is
1
MB
2
\(\sqrt 3 \frac{{MB}}{2}\)
3
\(\frac{{MB}}{2}\)
4
Zero