Question

What+is+an+electric+generator?+Write+the+principal+on+which+it+works?

Answer 1

Answer:

Working of Electric Generator is based on the principle of Fleming's Right hand rule. The current whose direction reverses with the movement of the coil is known as the alternating current. Most appliances use Alternating Current.

An AC generator is an electric generator that converts mechanical energy into electrical energy in form of alternative emf or alternating current. AC generator works on the principle of ”Electromagnetic Induction”.

Parts of an AC Generator

An Ac generator consists of two poles i.e is the north pole and south pole of a magnet so that we can have a uniform magnetic field. There is also a coil which is rectangular in shape that is the armature. These coils are connected to the slip rings and attached to them are carbon brushes.

The slip rings are made of metal and are insulated from each other. The brushes are carbon brushes and one end of each brush connects to the ring and other connects to the circuit. The rectangular coils rotate about an axis which is perpendicular to the magnetic field. There is also a shaft which rotates rapidly

Answer 2

Electric Generator-:

In electricity generation, a generator is a device that converts motive power into electrical power for use in an external circuit. Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines and even hand cranks.

Principle:

Electric generator works on the principle of electromagnetic induction. It converts mechanical energy into electrical energy.

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