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 isA. `(4)/sqrt(3)`B. `sqrt(3+1)/(1)`C. `(sqrt(3)+1)/(sqrt(3-1)`D. `sqrt(3)/(1)`

Two tangent galvanometers having coils of the same radius are connecte

1.	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 isA. `(4)/sqrt(3)`B. `sqrt(3+1)/(1)`C. `(sqrt(3)+1)/(sqrt(3-1)`D. `sqrt(3)/(1)`
Answer» Correct Answer - D In tangent galvanometer number of turns in coil is directly proportional to tangent of deflectoin for tangent galvanometer the number of turns `N prop tan theta` hence `(N_(1))/(N_(2))=(tan theta_(1))/(tan theta_(1))=(tan 60^(@))/(tan 45^(@))=sqrt(3)/(1)`

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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 isA. `(4)/sqrt(3)`B. `sqrt(3+1)/(1)`C. `(sqrt(3)+1)/(sqrt(3-1)`D. `sqrt(3)/(1)`

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