Physics, 10.07.2019 22:20 andrecoral105

Apositive charge q moves with velocity v in the z direction through a magnetic field whose vector is in the x direction.
if the charge is negative and it moves in the negative-z direction, the force on the charge will be:
1.reversed
2.unchanged
3.zero
4.increased

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Apositive charge q moves with velocity v in the z direction through a magnetic field whose vector is...