Magnetic Effect of Electric Current Quiz 3

Magnetic flux density (B) = …………

If B is the magnetic flux density and A is the area of the plane then the magnetic flux is given by

A current carrying circular coil has ‘n’ turns. The magnetic field produced in the entire coil is

The first scientist who identified the relationship between electricity and magnetism is ………

1 tesla = …………

The equation for magnetic force on charge q when there is an angle $'\theta'$ between the direction of field B and velocity v is ………

The equation for magnetic force on charge ‘q’ moving perpendicular to the magnetic field is

The magnetic force on the charge ‘q’ moving parallel to the magnetic field is …………

The equation for magnetic force on a current carrying wire of length L which makes an angle ‘θ’ with the magnetic field is …………

The equation for magnetic force on a current carrying wire of length L which is placed perpendicular to a magnetic field is …………

The magnetic force on a current carrying wire which is placed along a magnetic field is ………

A current carrying wire of length L is placed perpendicular to a uniform magnetic field B. Then the force acting on the wire with current is ……………

The charge is moving along the direction of magnetic field. Then force acting on it is ……………

Name the device which is used to reverse the direction of current in the coil of a

In an electric motor which of the following rotates with the coil ?