The radius of the coil of a TG which has 10 turns is 0.1 m. The current required to produce a deflection of `60^(@) (B_(h) = 4 xx10^(-5)T)` is :

Options

A. 3A
B. `1.1 A`
C. `2.1 A`
D. `1.5 A`

Answer

B

Explanation

`I = B_(H xx )( 2 R tan theta)/( N mu _(0))= 4 xx 10 ^(-5) xx (2 xx 0.1 xx tan 60 ^(@))/( 10 xx 4 pi xx 10 ^(-7))`
`= 1.1 A`