Two charged particles are projected into a regi... - JAMB Physics 2005 Question
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 option: a
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
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