In a transformer, 250v alternating current is dropped to 10v. then the number of turns in the primary and secondary are in the ratio (a) 1 : 25 (b) 2 : 5 (c) 5 : 3 (d) 25 : 1
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Answer:
i guess it's (d) part.
Explanation:
we take the ratio of primary voltage to secondary voltage so it will become 250:10 and the resulting answer would be 25:1.
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