The magnetic moment of a bar magnet is 0.5 ~Am². It is suspended in a uniform magnetic field of 8 × 10⁻² ~T. The work done in rotating it from its most stable to most unstable position is:

Magnetic Effects of Current and Magnetism: JEE Main 2024 Physics question

JEE Main 2024 · 4 Apr, Evening shift · Q7617

JEE Main 20244 Apr, Evening shiftPhysicsEasyMagnetic Effects of Current and Magnetism165× since 2002

The magnetic moment of a bar magnet is

0.5 \mathrm{~Am}^2

. It is suspended in a uniform magnetic field of

8 \times 10^{-2} \mathrm{~T}

. The work done in rotating it from its most stable to most unstable position is:

JEE Main 2024 · 4 Apr, Evening shift · Q7617

JEE Main 20244 Apr, Evening shiftPhysicsEasyMagnetic Effects of Current and Magnetism165× since 2002

The magnetic moment of a bar magnet is

0.5 \mathrm{~Am}^2

. It is suspended in a uniform magnetic field of

8 \times 10^{-2} \mathrm{~T}

. The work done in rotating it from its most stable to most unstable position is: