Magnetic Effect of Electric Current Quiz 5

A conductor of length of 1m moving with velocity ‘v’ perpendicular to the magnetic field of strength 10 Tesla induces an e.m.f of 10 volts. Then v = …….. m/s

The peak value of alternative current is 2 ampere. The r.m.s value of current is …….. ampere.

Which among the following is responsible for an induced current in the coil ?

A coil has 200 turns. If an increase in magnetic flux through one turn of coil is 0.001 Wb in 0.1 sec, then the maximum induced emf in the coil is ………….

A metal ring is inserted through the soft iron cylinder which is wounded with copper wire when AC is supplied between the ends of the coil, then …………

Generator converts mechanical energy to ……………. energy.

…………. generated in a closed loop is equal to the rate of change of magnetic flux passing through it.

According to Faraday’s law the induced emf produced in a closed loop is equal to the ………

A conductor is moving with a speed of 10 m/s perpendicular to the direction of magnetic field of induction 0.5 T. If the induced emf is 5 V then the length of the conductor is ………………

A metal ring is inserted through the soft iron cylinder which is wounded with copper wire. When DC is supplied between the ends of the coil, then ……………

A conductor of 1 m length is moving with a speed of 10 m/s in the direction perpendicular to the direction of magnetic field of induction 0.8T. The induced e.m.f between the ends of the conductor is ……………

An induction stove works on this principle

The law which states “An induced emf will appear in such a direction that it opposes the change in its flux” is ……………

In which among the following the principle of electromagnetic induction is not involved ?

Electro magnetic induction was proposed by ………