GATE Electronics and Communications (EC) 2016 Shift 2 Solved Paper

Question : 33 of 65

Marks: +1, -0

A uniform and constant magnetic field B ẑ. B̅ exists in the

̂ z

direction in vacuum. A particle of mass m with a small charge q is introduced into this region with an initial velocity v = x̂v_x + ẑv_z. Given that B, m, q, v_x, and v_z are all non-zero, which one of the following describes the eventual trajectory of the particle?

Helical motion in the ẑ direction.
Circular motion in the xy-plane.
Linear motion in the ẑ direction.
Linear motion in the x̂ direction.

Validate

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