Show the time period of oscillation when a bar magnet is kept in a uniform magnetic field is \(T=2\pi \sqrt { \frac { 1 }{ { p }_{ m }B } } \) in second, where I represents a moment of inertia of the bar magnet, p_m is the magnetic moment and B is the magnetic field.

Calculate the magnetic field at a point P which is perpendicular bisector to current carrying straight wire as shown in figure.

What is meant by coercivity?

What are electromagnets? Mention examples.

State Maxwell's right hand cork screw rule?

Write the Similarities between Coulomb's law and Biot-Savort's law.

Define Current sensitivity?

Define Voltage sensitivity?

Write the value of
(i) Horizontal component &
(ii) vertical component of Earth's magnetic field.

What are the types of magnets? Give example.

Write the Properties of magnet.

Mention the properties of Magnetic field lines?

Tabulate the difference between Coulomb's law and Biot-Savort's law.

State that a current carrying loop behaves as a magnetic dipole. Hence write an expression for its magnetic dipole moment.

Obtain an expression for magnetic Lorentz force?