Magnetic Effect of Electric Current Quiz 4

In an electric motor which of the following remains fixed with the coil ?

In an electric motor the direction of current in the coil charge once in each …………

Which .of the following equation is correct in electro magnetism ?

In which of the following electric energy is converted into mechanical energy ?

A particle of charge ‘q’ and mass’m’ is moving with a speed v perpendicular to the magnetic field of induction B. The radius of the circular path moving by the particle is ………

No force works on the conductor carrying electric current when it is kept ………

A charge ‘q’ is moving with a velocity ‘v’ in magnetic field of induction B. If the magnetic force acting on charge ‘q’ is equal to qvB, then …………

The phenomenon of electro magnetic induction is …………

The equation of Faraday’s law of electro magnetic induction is

Faraday’s law of induction is the consequence of …………

Which of the following works on the rule of Faraday’s law of electro -magnetic induction ?

The frequency of direct current is …………

The frequency of alternating current (AC) supply in India is …………

Which of the following does not work on electro magnetic induction principle

Whenever there is continuous changes of magnetic flux linked with closed coil a current is generated in coil. This is ………