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Question
How are the e.m.f in the primary and secondary coils of a transformer related with the number of turns in these coils?
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Solution
`"E"_"s"/"E"_"p" = "N"_"s"/"N"_"p"` = turns ratio n
where, s stands for secondary and p stands for primary.
i.e. `"E.M.f. in secondary coil"/"E.m.f. in primary coil" = "Number of turns in primary coil"/"Number of turns in secondary coil"`
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