Like magnetic poles attract. A: True B: False For a bar magnet, the B - lines ex
ID: 1473661 • Letter: L
Question
Like magnetic poles attract.
A: True B: False
For a bar magnet, the B - lines exit through the N pole and return through the S pole .
A: True B: False
The vector B acts only on charges at rest.
A: True B: False
The magnitude of earth's B is about 1E-4 Tesla.
A: True B: False
B does work on a charge only when the charge has a velocity component parallel to B.
A: True B: False
The earth's B lines are parallel to the earth's surface at all points.
A: True B: False
B does work on a charge only when the charge has a velocity component perpendicular to B.
A: True B: False
Explanation / Answer
Like magnetic poles attract.
B: False
For a bar magnet, the B - lines exit through the N pole and return through the S pole .
A: True
The vector B acts only on charges at rest.
B: False
The magnitude of earth's B is about 1E-4 Tesla.
B: False
B does work on a charge only when the charge has a velocity component parallel to B.
B: False
The earth's B lines are parallel to the earth's surface at all points.
B: False
B does work on a charge only when the charge has a velocity component perpendicular to B.
A: True
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