Question
Download Solution PDFA charged particle would continue to move with a constant velocity in a region wherein,
- E = 0, B ≠ 0.
- E ≠ 0, B ≠ 0
- E ≠ 0, B = 0
- E = 0, B = 0.
Answer (Detailed Solution Below)
Option :
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Detailed Solution
Download Solution PDFEXPLANATION:
→When a charge is moving through a uniform electric and magnetic field,
It experiences a force called Lorentz force given by,
⇒
It has two parts,
Force experience by the electric field,
Fe = qE
Force experienced by the magnetic field,
Fm = q (v × B)
According to the problem, the particle is moving with constant velocity means the acceleration of the particle is zero.
→Also, the particle is not changing its direction of motion.
This will happen when the net force on the particle is zero.
(i) if E = 0, and v || B, then Fnet = 0.
(ii) if E ≠ 0, B ≠ 0 and E, v, and B are mutually perpendicular.
(iii) when both E and B are absent/zero.
So, the correct answers are (1), (2), and (4).
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