List of top Physics Questions on Magnetism asked in Bihar Board XII

What is Curie temperature?
Explain magnetic moment. Write its SI unit.
Write two properties of paramagnetic substances.
Compare the magnetic properties of steel and soft iron.
At neutral points
Write the properties of diamagnetic, paramagnetic, and ferromagnetic materials.
Define two magnetic elements of the Earth.
If magnetic field \( B \) is perpendicular to surface area vector \( \mathbf{ds} \), then the magnetic flux on area \( ds \) will be:
The magnetic field produced at the centre of a current-carrying circular coil is:
On dividing any magnet of magnetic moment \( M \) parallel to its length into \( n \) equal pieces, the moment of each piece will be:
Which of the following shows hysteresis?
The value of magnetic potential at a distance \( r \) from a pole strength \( m \) is:
The energy density of magnetic field \( B \) is:
The value of torque \( \boldsymbol{\tau} \) experienced by a current loop of magnetic moment \( \mathbf{m} \) placed in a magnetic field \( \mathbf{B} \) is:
Which one of the following is NOT a unit of magnetic field?