RRB Junior Engineer / DMS / CMA 2015 · Question 141 of 480

A transformer has 1000 primary turns. It is connected to 250 volts A.C. supply. Find the number of secondary turns to get secondary voltage of 400 volts.

Answer: A. 1600

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Source: RRB JE 2015 paper — cracku.in solved paper with answer key · reliable-secondary

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