At a given place on the Earth’s surface, the horizontal component of Earth’s magnetic field is 9 × 10-5 T and the resultant magnetic field is 180 × 10-6. Calculate the angle of dip at this place.

At a given place on the Earth’s surface, the horizontal component of

1.	At a given place on the Earth’s surface, the horizontal component of Earth’s magnetic field is 9 × 10-5 T and the resultant magnetic field is 180 × 10-6. Calculate the angle of dip at this place.
A.	45o
B.	0o
C.	60o
D.	30o
Answer» D.