Two charged particles are projected into a region where there is a magnetic field perpendicular to their velocities. if the charges are deflected in opposite directions, which of the following statements is true of the charge?
A. the charge must be of opposite sign B. positive charges are more in number C. the charges are electrically neutral D. the charges are of the same sign
Correct Answer: A
Explanation
The charge must be opposite in sign, since the positive charges will deflect to the negative plate, and the negative charge to the positive plate
