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Question

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

A
1 only
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B
2 only
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C
Both 1 and 2
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D
Neither 1 nor 2
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Solution

The correct option is B 2 only
The generator having slip rings produces current that continuously changes direction. Current in the opposite direction is taken as a negative current. Hence, the value of current will have a continuous change in its sign. Thus, graph 2 shows the variation of current with time.

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