Microwave Communications-Antenna Parameters (NTA-NET (Based on NTA-UGC) Electronic Science (Paper-II)): Questions 1 - 7 of 7

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Question number: 1

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2017

MCQ▾

Question

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

Question number: 2

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2017

MCQ▾

Question

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

Question number: 3

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2018

MCQ▾

Question

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

Question number: 4

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2018

Match List-Ⅰ List-Ⅱ▾

Question

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)

Question number: 5

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2016

MCQ▾

Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 6

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2013

MCQ▾

Question

VSWR (Voltage Standing Wave Ratio) is always (June)

Choices

Choice (4)Response

a.

1

b.

More than 1

c.

0.4

d.

Less than 1

Question number: 7

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2013

MCQ▾

Question

Which antenna gets circularly polarized? (June)

Choices

Choice (4)Response

a.

Helical

b.

Yagi-Uda

c.

Parabolic

d.

Dipole

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