Electromagnetic Theory-Gauss Law and Applications (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 4 of 4

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Question number: 1

» Electromagnetic Theory » Gauss Law and Applications

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Appeared in Year: 2012

MCQ▾

Question

Consider a hallow charged shell of inner radius and outer radius . The volume charge density is (k is a constant) in the region . The magnitude of the electric field produced at distance is –

Choices

Choice (4)Response

a.

for all

b.

for and for

c.

for and for

d.

for and for

Question number: 2

» Electromagnetic Theory » Gauss Law and Applications

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Appeared in Year: 2011

MCQ▾

Question

A static charge distribution gives rise to an electric field of the form , where and R are positive constants. The charge contained within a sphere of radius R, centered at the origin is: (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 3

» Electromagnetic Theory » Gauss Law and Applications

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Appeared in Year: 2014

MCQ▾

Question

A solid of radius R has a charge density, given by ; where is the radial coordinate and and R are positive constants. If the magnitude of the electric field at is times that at then the value of a is – (December)

Choices

Choice (4)Response

a.

2

b.

c.

1

d.

Question number: 4

» Electromagnetic Theory » Gauss Law and Applications

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Appeared in Year: 2012

MCQ▾

Question

An infinite solenoid with its axis of symmetry along the z – direction carries a steady current .

An infinite solenoid

An Infinite Solenoid

The vector potential at a distance from the axis, (December)

Choices

Choice (4)Response

a.

Varies as R inside and as outside the solenoid

b.

Varies as R inside and is constant outside the solenoid

c.

Varies as inside and as R outside the solenoid

d.

Is constant inside and varies as R outside the solenoid

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