TrueFalse The vector B acts only on charges at rest. TrueFalse The earth\'s B li

Question

TrueFalse The vector B acts only on charges at rest.
TrueFalse The earth's B lines are parallel to the earth's surfaceat all points.
TrueFalse B does work on a charge only when the charge has avelocity component parallel to B.
TrueFalse For a bar magnet, the B - lines exit through the N poleand return through the S pole .
TrueFalse B does work on a charge only when the charge has avelocity component perpendicular to B.
TrueFalse The magnitude of earth's B is about 1E-4 Tesla.
TrueFalse Unlike magnetic poles attract.

Explanation / Answer

The vector B acts only on charges at rest ----   False . The earth's B lines are parallel to the earth's surface at allpoints ---- True B does work on a charge only when the charge has a velocitycomponent parallel to B ---- False For a bar magnet, the B - lines exit through the N pole andreturn through the S pole   ---- True B does work on a charge only when the charge has a velocitycomponent perpendicular to B   ---- True The magnitude of earth's B is about 1E-4 Tesla ----   True Unlike magnetic poles attract ---- True Hope this helps u!

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