What replacement is required to convert an AC generator to DC generator ?

Armature with coil

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Concave magnets with horse-shoe magnet

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Slip rings with split rings

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All of the above

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Solution

The correct option is C Slip rings with split rings
The slip rings in an AC generator maintains a connection between the moving rotor and the stationary stator results in the periodic change of current in the loop making it an alternate current. However, the DC generator is consisting of split rings makes the current change direction every half-rotation which causes no change in direction of current.

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Similar questions

The essential difference between an AC generator and a DC generator is that :

(a) AC generator has an electromagnet while a DC generator has permanent magnet.

(b) DC generator will generate a higher voltage.

(d) AC generator has slip rings while the DC generator has a commutator.

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