STANDARD Physics Motion of Charged Particles MCQ Question
A charged particle would continue to move with a constant velocity in a region wherein, which of the following conditions is not correct?
E = 0, B ≠ 0
E ≠ 0, B ≠ 0
E ≠ 0, B = 0
E = 0, B = 0
Correct Answer
Detailed Explanation
A charged particle moves with constant velocity if the net force acting on it is zero. This occurs when the electric field E is zero and the magnetic field B is zero, or when the forces due to E and B cancel each other out. Option C, where E ≠ 0 and B = 0, implies a net force due to the electric field, causing acceleration.
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