Electromagnetic Theory (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 18 - 21 of 88

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Question number: 18

» Electromagnetic Theory » Solutions of Electrostatic and Magnetostatic Problems

Appeared in Year: 2012

MCQ▾

Question

Given , where is a constant vector and is the position vector. The value of , where is a circle of unit radius centered at origin is,

Choices

Choice (4) Response

a.

1

b.

c.

d.

0

Question number: 19

» Electromagnetic Theory » Diffraction and Polarization

Appeared in Year: 2012

MCQ▾

Question

fdv hnjkvichnjvlkvlikjdfvhd

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 20

» Electromagnetic Theory » Energy and Momentum of Electromagnetic Waves

Appeared in Year: 2012

MCQ▾

Question

The space – time dependence of the electric field of a linearly polarized light in free space is given by where and are the amplitude, the angular frequency and the wavevector, respectively. The time average energy density associated with the electric field is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 21

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2012

MCQ▾

Question

The electric and the magnetic fields and , respectively corresponding to the scalar potential and vector potential are –

Choices

Choice (4) Response

a.

b.

c.

d.

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