In a tangent galvanometer a current of `0.1 A` produces a deflection of `30^(@)`. The current required to produce a deflection of `60^(@)` is

In a tengent galvanometer a current 1 A , produces deflection of 30^(@) the current required to produce a deflection of 60^(@) is

If in a moving coil galvanometer, a current I produces a deflection theta , then

If in a moving coil galvanometer, a current I produces a deflection theta , then

The coil of a tangent galvanometer has 50 turns of mean diameter 20 cm. Find the current required to produce a deflection of 30^(@) . Given B_(H) =0.3 G.

The radius of the coil of a Tangent galvanometer, which has 10 turns, is 0.1 m. The current required to produce a deflection of 60^(@) (B_(H)=4xx10^(-5)T) is

The radius of the coil of a Tangent galvanometer, which has 10 turns, is 0.1 m. The current required to produce a deflection of 60^(@) (B_(H)=4xx10^(-5)T) is

A current of 0.5 A prioduces a deflection of 45^(@) in a tangent galvanometre. What current will produce a deflection of 30^(@) in the same tangent galvanometer.

A current of 4A produces a deflection of 30° in the galvanometer. The figure of merit is