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Two tangent galvanometers having coils o...

Two tangent galvanometers having coils of the same radius are connected in series. A current flowing in them produces deflections of `60^(@)` and `45^(@)` respectively. The ratio of the number of turns in the coils is

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The correct Answer is:
D

In a series current is same.
`Rightarrow " " (M_(1))/(M_(2))=(tan theta_(1))/(tan theta_(2)) or (N_(1))/(N_(2))=(tan60^(@))/(tan45^(@))=sqrt3`
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