Electromagnetics [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 71 - 74 of 96

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Question 71

Electromagnetics
Differential and Integral Forms and Their Interpretation

Appeared in Year: 2015

Question

MCQ▾

Consider a straight, infinitely long, current carrying conductor lying on the z-axis. Which one of the following plots (in linear scale) qualitatively represents the dependence of Hϕ on r, where Hϕ is the magnitude of the azimuthal component of magnetic field outside the conductor and r is the radial distance from the conductor?

Choices

Choice (4)Response

a.

Graphical Representation - B

b.

Graphical Representation - A

c.

Graphical Representation - D

d.

Graphical Representation - C

Question 72

Electromagnetics
Differential and Integral Forms and Their Interpretation

Appeared in Year: 2017

Question

Numeric Answer▾

A three-dimensional region R of finite volume is described by

where are real. The volume of R (upto two decimal places) …

Question 73

Electromagnetics
Differential and Integral Forms and Their Interpretation

Appeared in Year: 2015

Question

Numeric Answer▾

In a source free region in vacuum, if the electrostatic potential , the value of constant c must be …

Question 74

Electromagnetics
Equations

Appeared in Year: 2015

Question

Numeric Answer▾

An air-filled rectangular waveguide of internal dimensions has a cutoff frequency of 6 GHz for the dominant mode. For the same waveguide, if the cut-off frequency of the mode is 15 GHz, the cut-off frequency of the mode in GHz is …

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