If the AC source is 240 V and a transformer supplies 12 V to a model train which draws a current of 0.8 A then primary current is

The phenomenon of induction of induced current in one coil due to change of current in a neighboring coil is called

If we increase the number of loops, the turning effect would

A coil of wire consisting of many loops is known as

As per Michael Faraday, if the forefinger points the direction of the magnetic field, the middle finger in the direction of the current, then the thumb would indicate the direction of

The magnitude of induced Electromotive force (EMF) depends on

The direction of the magnetic field inside the bar magnet is from

A practical application of mutual induction is called

Transformers are used to

As per Michael Faraday, the force is increased if the

When a current passes through a conductor, it produces

Transformers are the application of

The power is transmitted over long distances at high voltage to minimize the

Through a conductor, an electric current produces a

The direction of induced Electromotive force (EMF) in a circuit is under the law of conservation of

The direction of induced current in a circuit is always such that it opposes the cause that produces it. This law was introduced by

By reducing the current through the cable, power loss in the form of heat dissipation can be

If the current in one coil becomes steady then magnetic field lines become

At the generating station, the AC voltage is

The type of temporary magnet, which is created when current flows through a coil is called an

An ideal transformer dissipates by itself

If we grip the coil with our right hand by curling our fingers in the direction of the conventional current, our thumb will indicate the coil's

If the secondary voltage is smaller than the primary voltage, the transformer is called a

A device that converts electric energy into rotational kinetic energy is called

The loop in magnetic field rotates due to

If the coil is placed perpendicular to field lines then the number of lines passing through the coil is

If a transformer is used to supply voltage to a 15 V model train which draws a current of 0.7 A. If the voltage of the A.C source is 210 V, the current in the primary should be

The direction of the magnetic field is governed by the direction of

An electromagnet is

When the plane of the coil is parallel to the lines of magnetic force, the number of lines of magnetic force passing through the coil will be