Question

A proton and an electron enter a region with equal speed in which a magnetic field is suddenly switched on. The force experienced by them are

• A. equal and opposite
• B. different in magnitude but same in direction
• C. in the ratio of 1840
• D. same in magnitude and direction

Answer 1

The correct option is A equal and opposite

charge is equal in magnitude but opposite in sign
$\therefore$ forces are equal in magnitude but opposite in direction