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

  1. AC generator has an electromagnet while a DC generator has permanent magnet.
  2. DC generator will generate a higher voltage.
  3. AC generator will generate a higher voltage.
  4. AC generator has slip rings while the DC generator has a commutator.


Answer :

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

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