Question

What device changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field?

Answer 1

Generator

A generator is a device changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field

Explanation:

In an electric generator the permanent magnet is span by a small piston engine powered by fuel. Which is why we put petrol/diesel in an electric generator. The crankshaft of the engine spins a permanent magnet surrounded by a coil of wires with many wounds. An electric current is induced in the coil of wire by dynamo effect - the more the wounds of the coil, the bigger the induced current This also observes the Fleming's rule of the thumb (right hand in this case) on electric induction. An electric generator works in reverse of an electric motor.

Learn More:

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