The force acting on a moving electron in a magnetic field is:

Increasing the number of turns in a coil will:

The main function of a transformer is to:

Which device converts electrical energy into mechanical energy?

The split ring in a DC motor is also called:

The core of a transformer is made of soft iron to:

Magnetic flux is measured in:

A solenoid produces a magnetic field similar to that of a:

Which law gives magnitude of induced emf?

Lenz’s law is a consequence of conservation of:

The screen of a CRO is coated with:

Which quantity remains constant in an ideal transformer?

The turning effect of force is called:

The horizontal deflection in CRO is produced by:

The working principle of electric generator is:

CRO is mainly used to observe:

An electromagnet becomes stronger when:

The strength of magnetic field around a current carrying wire depends on:

Electromagnetic induction was discovered by:

The rule used to find direction of force on a conductor is: