Eccouncil 312-38 Exam - Topic 4 Question 91 Discussion

Actual exam question for Eccouncil's 312-38 exam

Question #: 91
Topic #: 4

Which antenna's characteristic refer to the calculation of radiated in a particular direction. It is generally the ratio of radiation intensity in a given direction to the average radiation intensity?

ARadiation pattern

BPolarization

CDirectivity

DTypical gain

Show Suggested Answer

Suggested Answer: C

Directivity of an antenna refers to the measure of how concentrated the radiation emitted is in a single direction. It is defined as the ratio of the radiation intensity in a given direction from the antenna to the radiation intensity averaged over all directions. In simpler terms, it is the calculation of radiated power in a particular direction compared to the average radiated power in all directions. This characteristic is crucial for antennas designed to transmit or receive signals in a specific direction, making it an essential parameter for many communication systems.

by Tess at Sep 08, 2024, 06:44 AM

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Delsie

9 months ago

Really? I thought polarization played a bigger role.

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Ivory

9 months ago

Wait, isn't typical gain related but not the same?

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Helaine

10 months ago

Directivity is the right term here, no doubt.

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Martha

10 months ago

I thought it was radiation pattern?

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Brandon

10 months ago

It's definitely about directivity!

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Candida

10 months ago

I remember discussing Polarization too, but it seems more about the orientation of the wave rather than the direction of radiation intensity. So, maybe it’s not that one.

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Royal

11 months ago

I keep mixing up Directivity and Radiation pattern. I think Directivity is the right choice, but I’m not completely confident.

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Kathrine

11 months ago

I feel like we covered something similar in class. Directivity was mentioned in relation to how antennas radiate energy, so that might be it.

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Mila

11 months ago

I think the answer might be Directivity, but I'm not entirely sure. I remember it being about how focused the radiation is in a specific direction.

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Milly

11 months ago

I'm a bit confused by the wording of this question. It's talking about radiation intensity and a particular direction, but I'm not sure how that maps to the answer choices. I might need to review my notes on antenna characteristics before deciding.

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Marnie

11 months ago

Hmm, I'm not totally sure about this one. The question mentions radiation intensity, so I'm wondering if it could be Radiation pattern instead of Directivity. I'll have to think this through carefully.

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Shonda

11 months ago

This question seems straightforward - the key is to identify the characteristic that refers to the calculation of radiated power in a particular direction. I think the answer is Directivity.

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Teddy

11 months ago

Okay, let me break this down. The question is asking about the characteristic that refers to the ratio of radiation intensity in a given direction to the average radiation intensity. That sounds like it's describing Directivity, so I'm going to go with that.

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Lyla

11 months ago

I'm a bit unsure about this one. Is the location of the user really relevant, or should I be focusing more on the user's usage patterns?

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Jade

2 years ago

Hold on, I'm still trying to figure out if the antenna has any plans for world domination. Asking for a friend, you know.

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German

2 years ago

D) Typical gain

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Joanna

2 years ago

C) Directivity

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Terrilyn

2 years ago

B) Polarization

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Sherita

2 years ago

A) Radiation pattern

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Clemencia

2 years ago

Hmm, I was thinking Polarization, but I think Claribel has the right idea. Directivity sounds like the correct answer here.

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Jerry

2 years ago

Yes, Directivity refers to the calculation of radiated in a particular direction.

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Viki

2 years ago

I agree, Directivity is the correct answer.

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Gerardo

2 years ago

I think it's Directivity.

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Honey

2 years ago

That makes sense, Elfrieda. Directivity could be the correct answer too.

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Elfrieda

2 years ago

I'm not sure, but I think it could also be C) Directivity, as it relates to the intensity in a specific direction.

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Claribel

2 years ago

I'm pretty sure it's C. Directivity, since that's all about the radiation pattern and how the antenna concentrates the energy in a particular direction.

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