A charged particle moves along a circle under the action of possible constant electric and magnetic fields.
A charged particle moves along a circle under the action of possible constant electric and magnetic fields. Which of the following are possible?
(a) E = 0,B = 0
(b) E= 0, B ≠ 0
(c) E ≠ 0, B = 0
(d) E ≠ 0, B ≠ 0.
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