Multiple Choice
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.
Correct Answer:

Verified
Correct Answer:
Verified
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