Wave Propagation in Lossy Media

Wave Propagation in Lossy Media

Assessment

Interactive Video

Physics, Science, Mathematics

11th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the concept of plane waves in different media, focusing on the derivation of propagation constants, including attenuation and phase constants. It covers the behavior of plane waves in both lossless and lossy media, highlighting the conditions under which waves experience zero loss or significant attenuation. The tutorial provides mathematical expressions for these constants and discusses the implications of free charge carriers on wave propagation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the propagation constant gamma composed of?

Mu and Epsilon

Sigma and Omega

Delta and Theta

Alpha and Beta

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula represents the attenuation constant for a plane wave?

Omega mu epsilon by 2 root over 1 minus Sigma square Omega square epsilon square minus 1

Omega mu epsilon by 2 root over 1 plus Sigma square Omega square epsilon square plus 1

Omega mu epsilon by 2 root over 1 minus Sigma square Omega square epsilon square plus 1

Omega mu epsilon by 2 root over 1 plus Sigma square Omega square epsilon square minus 1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a lossless medium, what is the value of alpha?

Infinity

One

Zero

Omega mu epsilon

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What condition must be met for a medium to be considered lossless?

High conductivity

Zero free charge carriers

High permittivity

Low permeability

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a lossless medium, what is the phase constant beta equal to?

Omega root mu epsilon

Omega mu epsilon

Infinity

Zero

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the condition for a medium to be considered lossy?

Sigma is zero

Epsilon is zero

Sigma is greater than one

Omega is zero

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a lossy medium, what is the relationship between alpha and beta?

Alpha is less than beta

Alpha is equal to beta

Alpha is greater than beta

Alpha is zero

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