1.

A charged particle enters a magnetic field H with its initial velocity making an angle of \[45{}^\circ \] with H. The path of the particle will be          [MP PET 1999; AIIMS 1999; BHU 1999]

A.            A straight line                      
B.            A circle
C.            An ellipse                              
D.            A helix
Answer» E.


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