Electromagnetics [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 6 of 97

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Question 1

Appeared in Year: 2017

Question MCQ▾

Patch is a: (November paper 2)

Choices

Choice (4)Response

a.

Low gain wide band antenna

b.

High gain wide band antenna

c.

High gain narrow band antenna

d.

Low gain narrow band antenna

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Question 2

Appeared in Year: 2017

Question MCQ▾

Helical antennas are often used for satellite tracking in VHF range because of: (November paper 2)

Choices

Choice (4)Response

a.

Ionospheric refraction

b.

Super - refraction

c.

Troposcatter

d.

Faraday effect

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Question 3

Appeared in Year: 2018

Question MCQ▾

The cut-off frequency of TEM wave is: (July)

Choices

Choice (4)Response

a.

Zero.

b.

GHz.

c.

d.

Moderate.

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Question 4

Question MCQ▾

The guided wavelength of rectangular resonator is given by ________.

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 5

Appeared in Year: 2018

Question MCQ▾

The loading is sometimes used with an antenna in order to increase the: (July)

Choices

Choice (4)Response

a.

Bandwidth

b.

Effective height

c.

Input capacitance

d.

Beam width

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Question 6

Appeared in Year: 2018

Question Match List-Ⅰ List-Ⅱ▾

Match the following lists: (July)

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

Effective Area

(i)

(B)

Directivity

(ii)

(C)

Directive Gain

(iii)

(D)

Power Gain

(iv)

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (iv)
  • (iii)
  • (ii)
  • (i)

Edit