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An electrical generator creates electricity by

A) By spinning a turbine with kinetic energy

B) By using Gasoline

C) By exposing a coil of wire to a changing magnetic field

D) By Aligning the magnetic domains of the coil of wire


Sagot :

Answer:

C) By exposing a coil of wire to a changing magnetic field

Explanation:

An electrical generator creates electricity by exposing a coil of wire to changing magnetic field.

The generator converts mechanical energy which the energy due to the motion of a body and this produces electrical currents.

  • In the presence of a magnetic field electric current is induced within the circuit.
  • The mechanical energy is obtained from an external source and sustained by the turning of the pistons with the set up.
  • This keeps the generator in constant motion and through the magnetic fields.