Earth's Magnetic Field — Practice Quiz

Question 1

At a place, B_H = 0.3 G, B_V = 0.4 G. Total B and dip angle:

Accepted Answer

0.5 G, 53°

Answer

0.5 G, 37°

Answer

0.7 G, 45°

Answer

0.35 G, 30°

Question 2

At the magnetic equator, dip angle is:

Accepted Answer

0°

Answer

45°

Answer

90°

Answer

180°

Question 3

Earth's geomagnetic north pole is actually:

Accepted Answer

A south magnetic pole (attracts compass N)

Answer

A north magnetic pole

Answer

Neither

Answer

Both

Question 4

Origin of Earth's magnetic field is:

Accepted Answer

Convection currents in the molten outer core (geodynamo)

Answer

A solid permanent magnet at the center

Answer

Crystalline magnetite in the crust

Answer

Solar wind

Question 5

Declination is the angle between:

Accepted Answer

True north and magnetic north

Answer

Horizontal and B-vector

Answer

B-vector and gravity

Answer

Pole and equator