Electromagnetics-Antennas [GATE (Graduate Aptitude Test in Engineering) Electronics & CE (EC)]: Questions 1 - 5 of 24

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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

Edit

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

Edit

Question 3

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

Edit

Question 4

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

Question 5

Appeared in Year: 2016

Question MCQ▾

For a matched junction, scattering parameters are given values, which one of the following is true?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit