Electromagnetic Theory-Dynamics of Charged Particles in Static Electromagnetic Field (CSIR Physical Sciences): Questions 1 - 1 of 1

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Question number: 1

» Electromagnetic Theory » Dynamics of Charged Particles in Static Electromagnetic Field

Appeared in Year: 2014

MCQ▾

Question

A charged particle moves in a helical path under the influence of a constant magnetic field. The initial velocity is such that the component along the magnetic field is twice the component in the plane normal to magnetic field.

A charged particle moves in a helical path

A Charged Particle Moves in a Helical Path

Figure shows a charged particle moves in a helical path under the influence of a constant magnetic field.

The ratio lR of the pinch l to the radius R of the helical path is –

(December)

Choices

Choice (4) Response

a.

2π

b.

π

c.

4π

d.

π2

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