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?

What is the value of the horizontal component of the earth's magnetic field at the poles?

What is horizontal component of the Earth's magnetic field ?

When a current of 318 m A is passed through a tangent galvanometer , a deflection of 45^@ is obtained. If radius of coil is 10 cm and number of turns 50 , then what is a value of horizontal component of earth's magnetic field ?

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 tangent galvanometer of 50 turns 8 cm mean radius, is connected in series with a silver voltameter and a battery. If the galvanometer shows a steady deflection of 45^(@) and 0.185 g of silver is deposited in 30 minute, find the horizontal component of the earth's magnetic field (E.C.E. of silver = 0.001118 g/coulomb).

A coil of radius 10 cm and resistance 40 Omega has 1000 turns. It is placed with its plane vertical and its axis parallel to the magnetic meridian. The coil is connected to a galvanometer and is rotated about the vertical diameter through an angle of 180^@ . Find the charge which flows through the galvanometer if the horizontal component of the earth's magnetic field is B_H = 3.0X 10^(-5) T .

At a place, the horizontal component of earth's magnetic field is B and angle of dip is 60^@ . What is the value of horizontal component of earth's magnetic field at equator?

At a place, the horizontal component of earth's magnetic field is V and angle of dip is 60^(@) . What is te value of horizontal component of earth's magnetic field at equator ?