by 
kevinj
ANSWERS: 3
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Michael Faraday discovered in the early 19C that a conductor moving across magnetic field lines will generate a voltage. This is one aspect of electromagnetic induction and is incorporated into Maxwell's equations of electromagnetism. So kinetic energy is converted to electrical energy by forcing coils of wire to move through strong magnetic fields.
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main thing you should know is,generator works on the principle of eletromagnetic induction.when the coil with particular area is rotated in the direction perpendicular to the uniform magnetic field,then the emf is produced in that coil. the current generated will flow in the direction accordin to the fleming right hand rule.
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There are two main types of generators. Direct-current (DC) generators produce electric current that always flows in the same direction. Alternating-current (AC) generators, or alternators, produce electric current that reverses direction many times every second. Both kinds of generators work on the same scientific principles. Every magnet has a field of waves around it. Electric current is generated if this magnetic field is disturbed. The electric current can flow along a closed loop of wire. The magnetic field is disturbed by any form of physical motion or force. So electric current will flow through a circuit of wire is a magnet nearby is disturbed by motion or force. Pieces of ferromagnetic metals such as nickel or steel can be made to vibrate near the magnet and this will keep its magnetic field in flux, with a continuous and consequent flow of electric current in a circuit of wire.
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