41. A nonrelativistic charged particle (speed ＜＜c) with mass m and charge +q moves with velocity in a uniform magnetic field .Which of the following statement is correct?
(A) Regardless of the direction of , the magnetic field does no work on the charged particle.
(B) Regardless of the direction of , the magnetic force on the particle has magnitude qvB.
(C) If is parallel to, the particle experiences an acceleration due to the magnetic field.
(D) If is perpendicular to, the particle undergoes circular motion with аш radius r=
(E) If is perpendicular to , the magnitude of changes due to the magnetic force.

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統計： A(0), B(1), C(0), D(1), E(0) #3847817