GATE EC 2014 Set 4 — Question 35
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Electromagnetics → Antennas → Broadside & End-Fire Arrays
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Question
Match Column A with Column B.
| Column A | Column B |
|---|---|
| 1. Point electromagnetic source | P. Highly directional |
| 2. Dish antenna | Q. End fire |
| 3. Yagi-Uda antenna | R. Isotropic |
Correct answer
(B) 1 arrow R, 2 arrow P, 3 arrow Q
Solution
1.Point electromagnetic source: An ideal point source radiates energy equally in all directions, which is the definition of an Isotropic radiator. Thus, .
2.Dish antenna: A parabolic dish antenna is designed to focus electromagnetic waves into a narrow beam, making it Highly directional. Thus, .
3.Yagi-Uda antenna: This is a common directional antenna used for television reception, which operates as an End fire array. Thus, .
The correct matching is , which corresponds to option (B).Continue learning with Success Tracker
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