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The primary winding of a C.T. has _________

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The primary winding of a C.T. has _________

(a) a larger number of turns

(b) no turns at all

(c) intermediate number of turns

(d) a few turns

This question was addressed to me during an interview.

Enquiry is from Instrument Transformers in section Extension of Instrument Ranges of Electrical Measurements

1 Answer

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Correct option is (d) a few turns

The explanation is: The primary winding of a C.T. has a very few number of turns. It is connected in series with the load circuit through which the primary current flows.

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