Michael Faraday discovered that you do not really have to depend on chemicals for electricity, and that when a conductor is passed through the magnetic lines of force passing from the north pole to the south pole of a magnet will make the electrons flow, and this is proportional to the thickness of the conductor and the strength of the magnetic field. And he invented the Electric Generator. An armature of conductors is rotated within a strong magnetic field, and when the conductors pass through the magnetic lines of force, you get a current flow with a good potential at both ends of the conductor, and when you connect these ends to a light bulb, it will glow. The Potential, or the voltage is directly proportional to the number of rotations of the armature per minute, the number of conductors in the armature that form the coil, and the number of magnetic poles in the generator, and is inversely proportional to the resistance of the conductor. This just means that the more the number of the conductors in the armature, the number of poles and the speed in which the generator is spinned, the higher the voltage and current you get, and the higher the resistance of the conductors, the lesser the power output is. Quite simple.

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