An electric generator has two slip rings. What kind of current does it produce?

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Solution

Slip rings:
It is an electromechanical device with a semicircular shape or hollow rings that permit the transmission of electrical signals from a fixed structure to a rotating or moving structure.
It is used in AC devices like a generator to rotate a coil to produce alternating current.

Kind of current produced by a generator:
It transfers the generated current from the conductor's coil to another external circuit without varying the current. The generator and coil current is the same, producing an alternating current.
Thus, an alternating current produced by the generator consists of two slip rings.

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Q. The current produced by a generator with slip rings will have which of the following current variations with time as output ?

Q. Question 4
The essential difference between an AC generator and a DC generator is that:
(a) AC generator supplies direct current.
(b) DC generator has a commutator.
(c) DC generator supplies alternating current.
(d) AC generator has slip rings while the DC generator has a commutator.

The current produced by an AC generator with slip rings is shown in graphs (1) and (2). Then which of the following correctly represent the variations in current with time?

Q. Which of the following statements correctly elucidates the difference between an A.C. and a D.C. generator?
Statement I: An A.C. generator has commutator and a D.C. generator has slip rings.
Statement II: An A.C. generator has slip rings while a D.C. generator has commutator.
Statement III: A.C. generator rotates only in one direction. Statement IV: The polarity of the current changes for every half rotation in a D.C. generator.

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