1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Electromagnetic wave phasor conversion

  1. Dec 3, 2016 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution

    So I was given the electromagnetic E field equation in phasor form and I converted it to sinusoidal form. Is it correct ?

    Also will it be a reflected wave since we have (wt+Bz) and not (wt-Bz) ?

    Also will it be circularly polarized since it is constant at all angles ?
  2. jcsd
  3. Dec 6, 2016 #2

    Simon Bridge

    User Avatar
    Science Advisor
    Homework Helper

    I don't see a problem statement here - just an assertion.
    Is that your working? If so, what were you asked to do?

    In your conversion - you are only including the real part?
    How can you tell if a wave is reflected without (a) a reflecting boundary, and, (b) knowing the direction of the incident wave?
    To check polarization - try checking where the E vector points at different times. ie. ##t=n\pi /2\omega: n=0,1,2,3\cdots##
  4. Dec 10, 2016 #3

    rude man

    User Avatar
    Homework Helper
    Gold Member

    No. The wave is traveling in one direction. Which direction?
    Let t=0 and graph your wave in the x-y plane as a function of the angle θ = 20z = 0, 30, 60, 90, etc. to 360. Should be obvious. Looking in the -z direction, is it CW or CCW polarized?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted