Force On Moving Charge

The magnetic susceptibility of a paramagnetic sample is measured as $0.006$ at a temperature of $300...

The net magnetic flux through any arbitrary closed surface is always exactly zero; this fundamental ...

A charged particle enters a uniform magnetic field with its velocity making an angle other than $90^...

In a region with a uniform electric field of $3\times 10^4$ V/m perpendicular to a magnetic field...

A circular loop of radius $R$ carries current $I$; the magnetic field at an axial point located a di...

A galvanometer of resistance $50\Omega$ shows full-scale deflection at $2$ mA; what shunt resistan...

In a moving coil galvanometer the deflection produced is directly proportional to the current becaus...

A rectangular coil of $50$ turns and area $2\times 10^{-2}$ m${}^2$ carries a current of $1.5$ A whil...

A magnetic dipole is rotated from its stable equilibrium position to a position where it points exac...

To convert a galvanometer of resistance $60\Omega$ and full-scale current $5$ mA into a voltmeter ...

A bar magnet of magnetic moment $0.8$ A·m${}^2$ is held at $30^{\circ }$ to a uniform magnetic field of...

A material that is weakly repelled by an external magnetic field and possesses a small negative magn...