explain the underlying principle and working of an electric generator by drawing a labelled diagram.what is the function of brushes?.
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An electric generator converts mechanical energy into electrical energy. The principle behind the electric motor is based on Fleming's right hand rule. when a coil of insulated copper wire is forced to rotate inside a magnetic field then electric current is induced. ... The direction of current in the coil is PQRS.
Brushes maintain the contact between slip rings (commutator) in an A.C. generator (D.C. generator). So, the current produced in the rotating coil can be tapped out through slip rings (commutator) into the brushes.
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