List of top Physics Questions on Magnetic properties asked in Maharashtra Class XII

What is the value of force on a closed circuit in a magnetic field?
Calculate the current flowing through two long parallel wires carrying equal currents and separated by a distance of 1.35 cm, experiencing a force per unit length of \( 4.76 \times 10^{-2} \, \text{N/m} \).
Derive an expression for energy stored in the magnetic field in terms of induced current.
A bar magnet of mass 120 g in the form of a rectangular parallelepiped, has dimensions \( l = 40 \, \text{mm}, b = 100 \, \text{mm} \) and \( h = 80 \, \text{mm} \), with its dimension ‘h’ vertical, the magnet performs angular oscillations in the plane of the magnetic field with period \( \pi \) seconds. If the magnetic moment is 3.4 Am\(^2\), determine the influencing magnetic field.
Define and state unit and dimensions of:
(i) Magnetization
(ii) Magnetic susceptibility
Magnetization
Obtain an expression for magnetic induction of a toroid of \( N \) turns about an axis passing through its centre and perpendicular to its plane.
If a circular coil of 100 turns with a cross-sectional area of 1 m² is kept with its plane perpendicular to the magnetic field of 1 T, the magnetic flux linked with the coil will be ..........