Which of the following statements for magnetism are true? (Give ALL correct answ
ID: 1514469 • Letter: W
Question
Which of the following statements for magnetism are true? (Give ALL correct answers, i.e., B, AC, BCD...) A) For a bar magnet, the B-lines exit through the N pole and return through the S pole. B) Like magnetic poles attract. C) The direction of B is indicated by the N pole of a magnetic needle. D) B acts only on charges at rest. E) The earth's B-lines are parallel to the earth's surface at all points. F) B does work on a charge only when the charge has a velocity component perpendicular to B. G) The magnitude of earth's B is about 1 Tesla.
Explanation / Answer
AC