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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

A

`(sqrt3)/(1)`

B

`(1)/(sqrt3)`

C

`(sqrt3 +1)/(1)`

D

`(1)/(sqrt3 + 1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`I = K tan theta , K = (2B_(H)r)/(mu_0n) , tan theta prop n`
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Knowledge Check

  • Two tangent galvanometer A and B are identical except in their number of tums. They are connected in series on passing a current through them defection of 60^(@) and 30^(@) are produced. The ratio of number of tums in A and B is

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