At one instant an electron is moving in the positions x direction along the x axis in a region where there is?

a uniform magnetic field in the position z direction. When viewed from a point on the positive z axis, it subsequent motion is: A) straight ahead B) counterclockwise around a circle in the xt plane C) clockwise around a circle in the xy plane D) in the positive z direction E) in the negative z... show more a uniform magnetic field in the position z direction. When viewed from a point on the positive z axis, it subsequent motion is:

A) straight ahead
B) counterclockwise around a circle in the xt plane
C) clockwise around a circle in the xy plane
D) in the positive z direction
E) in the negative z direction

explain please!
2 answers 2