A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north up pointing down at `22^@` with the horizontal. The horizontal component of the earth's magnetic field at the place is known to be 0.35 G. Determine the magnitude of the earth's magnetic field at the place.

A place where the horizontal component of Earth's magnetic field is zero lies at ..........

At a certain location in Africa, a compass points 12^@ west of the geographic north. The north tip of the magnetic needle of a dip circle placed in the plane of magnetic meridian points 60^@ above the horizontal. The horizontal component of the earth's held is measured to be 0.16 G. Specify the direction and magnitude of the earth's field at the location.

At equatorial line horizontal factor of the magnetic field of the earth is ........ .

In the magnetic meridian of a certain place, the horizontal component of the earth's magnetic field is 0.26G and the dip angle is 60^(@) . What is the magnetic field of the earth at this location?

In the magnetic meridian of a certain place, the horizontal component of the earth's magnetic field is 0.1414 G and the dip angle is 45°. What is the magnetic field of the earth at this location ?

The earth magnetic field at the equator is approximately 04.G. Estimate the earth's dipole moment.

At a place on earth the horizontal component of earth's magnetic field is 73.2 % times then its vertical component. The angle of dip at this place is .....

The horizontal component of earth's magnetic field is 3 xx 10^(-4) T. The magnetic dip angle is 45°. Find the vertical component.