which is not necessary in an AC generator
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an AC generator consists of slip rings, brushes a galvanometer or a device to store the induced current and poles : north and south (permanent magnets)
THE DEVICE NOT NECESSARY IS A SPLIT RING WHICH GENERALLY ACTS AS A COMMUTATOR REVERSING THE DIRECTION OF THE CURRENT
THE DEVICE NOT NECESSARY IS A SPLIT RING WHICH GENERALLY ACTS AS A COMMUTATOR REVERSING THE DIRECTION OF THE CURRENT
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