Electromagnetic Theory-Dynamics of Charged Particles in Static Electromagnetic Field (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 3 of 3

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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 Equation of the pinch Equation to the radius R of the helical path is –

(December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

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

Appeared in Year: 2016

MCQ▾

Question

Suppose that free charges are present in a material of dielectric constant Equation and resistivity Equation . Using Ohm’s law and the equation of continuity for charge, the time required for the charge density inside the material to decay by Equation is closest to: (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

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

Appeared in Year: 2016

MCQ▾

Question

A parallel plate capacitor is formed by two circular conducting plates of radius Equation separated by a distance Equation , where Equation . It is being slowly charged a current that is nearly constant. At an instant when the current is Equation , the magnetic induction between the plates at a distance Equation from the centre of the plate, is: (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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