Electromagnetic Theory (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 17 - 20 of 82

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Question number: 17

» Electromagnetic Theory » Poynting Vector

Appeared in Year: 2016

MCQ▾

Question

The electric field component of a plane electromagnetic wave travelling in vacuum is given by Equation . The Poynting vector for the wave is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 18

» Electromagnetic Theory » Solutions of Electrostatic and Magnetostatic Problems

Appeared in Year: 2012

MCQ▾

Question

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

Choices

Choice (4) Response

a.

1

b.

Equation

c.

Equation

d.

0

Question number: 19

» Electromagnetic Theory » Diffraction and Polarization

Appeared in Year: 2012

MCQ▾

Question

fdv hnjkvichnjvlkvlikjdfvhd

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation whereEquation and Equation 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.

Equation

b.

Equation

c.

Equation

d.

Equation

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