Question

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
A. `(sqrt(3))/(1)`
B. `(1)/(sqrt(3))`
C. `(sqrt(3)+1)/(1)`
D. `(1)/(sqrt(3)+1)`

Answer 1

Correct Answer - 1
`I=Ktan theta, K=(2B_(H)r)/(mu_(0)n), tan theta prop n`