When a positively charged particle enter...

When a positively charged particle enters a uniform magnetic field with uniform velocity, its trajectory can be (i) a straight line (ii) a circle (iii) a helix.

A

(i) only

B

(i) or (ii)

C

(i) or (iii)

D

any one of (i), (ii) and (iii)

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The correct Answer is:

D

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