In coil, the change in the number of magnetic field lines will induce an

The power is transmitted over long distances and high voltages to

To increase or decrease AC voltages, we use

The magnitude of induced e.m.f in a circuit depends on the

The value of induced Electromotive force (EMF) is directly proportional to

When the surface is held parallel to the magnetic lines of force, the number of lines of force is

The number of magnetic lines of force passing through any surface is called

The study of magnetic effects of current is called

As per Faraday's law of electromagnetic induction, the value of induced electromotive force in a circuit is directly proportional to the rate of change of the number of

The direction of induced current always

If a coil is rotated in a magnetic field, there will be induced a

Soft iron can be easily

When a coil rotates in a magnetic field, the induced current in it continuously changes from

The number of coils in a transformer is

A simple method of finding the direction of the magnetic field around the conductor is the

A high voltage transformer can reduce the voltage keeping the power

When a generator is connected in a closed circuit, the induced e.m.f generates

An ideal transformer dissipates

The mechanical energy of our hand used to push the magnet towards or away from the coil results into

Magnetic effect of current is called

The metal detectors installed at airports and other places for security purpose are based on the principle of

Significant magnetic fields can be produced in

The total force acting on the armature can be increased by increasing the

In the transformer, if the secondary voltage is more than the primary voltage then it is called

The magnetic field produced either by permanent magnets or by an electromagnet called a

A magnetic field must produce a/an

Transformers only work with

A power station generates 600 MW of electrical power which is fed to a transmission line. If the input voltage is 300 Kv, then what current would flow in the transmission line?

The process of generating an induced current in a circuit by changing the number of magnetic lines of force passing through it is called

A generator inside a hydroelectric dam uses electromagnetic induction to convert the mechanical energy of a spinning turbine into