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 |
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 |
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 |
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. |
|
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. |