Magnetics 1 Question 25
25. In which case would the particle move in a straight line along the negative direction of -axis (i.e. move along )?
(a) (IV) (ii) (S)
(b) (II) (iii) (Q)
(c) (III), (ii) (R
(d) (III) (ii) (P)
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Answer:
Correct Answer: 25. (c)
Solution:
- For particle to move in negative
-direction, either its velocity must be in negative -direction (if initial velocity ) and force should be parallel to velocity or it must experience a net force in negative -direction only (if initial velocity )