When a compass needle is in stable equilibrium in a magnetic field ,
A)the needle axis is at 45º to the field.
B)the south pole points in the positive direction of .
C)the north pole points in the positive direction of .
D)the needle axis is perpendicular to .
E)none of these occurs.

Question

When a compass needle is in stable equilibrium in a magnetic field  ,
A)the needle axis is at 45º to the field. 
B)the south pole points in the positive direction of . 
C)the north pole points in the positive direction of . 
D)the needle axis is perpendicular to . 
E)none of these occurs.

Quizplus · Accepted Answer

The Answer of When a compass needle is in stable equilibrium in a magnetic field  ,
A)the needle axis is at 45º to the field. 
B)the south pole points in the positive direction of . 
C)the north pole points in the positive direction of . 
D)the needle axis is perpendicular to . 
E)none of these occurs.

When a Compass Needle Is in Stable Equilibrium in a Magnetic