The radius of tangent galvanometer coil is 16 cm. Find the number of turn in its coil if a current of 40 mA is required to produce a deflection of `30^(@)` in it from magnetic meridian. Horizontal component of earth's magnetic field is `36 xx 10^(-6)T`.

The radius of the coil of a tangent galvanometer is 16cm . How many turns of the wire should be used if a current of 40mA is to produce a deflection of 45^@ . Given, horizotnal component of earth's field is 0*36xx10^-4T.

The coil in a tangent galvanometer is 16cm in radius. How many turns of the wire should be wound on it if a current of 20mA is to produce a deflection of 45^@ ? Take horizontal component of earth's field =0*36xx10^-4T .

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 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.

A tangent galvanometer ha s60 turns of wire of mean diameter 20 cm . Find the reduction factor of the tangent galvanometer at a place where the horizontal component of earth's magnetic field 0.32 xx 10^(-4) T .

A magnetic needle is arranged at the centre of a current carrying coil having 50 turns with radius of coil 20 cm arranged along magnetic meridian. When a current of 0.5mA is allowed to pass through the coil the deflection is observed to be 30^(@) . Find the horizontal component of earth's magnetic field

A tangent galvanometer has 66 turns and the diameter of its coil is 22cm. It gives a deflection of 45^@ for 0.10 A current. What is the value of the horizontal component of the earth's magnetic field?

A circulalr coil carrying a current of 0.5 A is initially set in the magnetic meridian. It is turned till the magnetic needle pivoted at its center becomes parallel to the plane of the coil. If in the position the plane of the coil is 30^(@) away from the magnetic meridian, calcualte the horizontal component of the earth's magnetic field. (Radius of coil = 5cm and number of the turns = 50)

In a tangent galvanometer, the magnetic induction produced by the coil of wire situated in the magnetic meridian is found to be equal to the horizontal component of the earth's magnetic field. The deflection produced in it will be

A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the earth's magnetic field is 3xx10^(-5)T . The current required to producea defection of 45^(@) in it, is