Electromagnetic Theory [GATE (Graduate Aptitude Test in Engineering) Physics (PE)]: Questions 26 - 28 of 276

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Question 26

Appeared in Year: 2014

Question MCQ▾

A superconducting ring carries a steady current in the presence of a magnetic field normal to the plane of the ring. Identify the incorrect statement. (December)

Choices

Choice (4)Response

a.

The flux passing through the superconductor is quantized in unit of

b.

The current density and are related by the equation where is a constant.

c.

The superconductor shows an energy gap, which is proportional to the transition temperature of the superconductor.

d.

The current and the magnetic field in the superconductor are time independent.

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Question 27

Appeared in Year: 2011

Question MCQ▾

For constant uniform electric and magnetic fields and , it is possible to choose a gauge such that the scalar potential and vector potential are given by, - (June)

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 28

Appeared in Year: 2011

Question MCQ▾

Circularly polarized light with intensity is incident normally on a glass prism as shown in the figure. The index of refraction of glass is . The intensity I of light emerging from the prism is:

A Circularly Polarized Light Incident on a Prism

(June)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit