Question

The earth behaves as a magnet with a magnetic field pointing approximately from the geographic

• A. North to south
• B. South to north
• C. East to west
• D. West to east

Answer 1

The correct option is B

South to north

Explanation of correct options.

Option $B$

Geographic south to geographic north is the direction in which the magnetic field is pointing because the direction of the field outside is from the north pole to the south pole so, in order to complete the closed-loop the direction of the magnetic field from the south to north.

Explanation of incorrect option

Option$A$

North to the south is not possible because it will be in exactly the opposite direction of the closed magnetic loop.

Option $C$

East to the west is entirely in a different perpendicular direction so it cannot be the correct answer.

Option $D$

West to the east is entirely in a different perpendicular direction so it cannot be the correct answer.

Hence, the correct option is $B$.