Ch24 HW1 - Ch24 HW1 F2010 12/17/10 9:35 PM Stefan Coreth PY...

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12/17/10 9:35 PM Ch24 HW1 F2010 Page 1 of 2 http://www.webassign.net/v4cgisacoreth@ncsu/student.pl?g=20101218023537sacoreth@ncsu6657124101 Current Score : 10 / 10 Due : Wednesday, November 17, 2010 11:25 AM EST 1. 2/2 points Question: MI3 24.2.X.024 At a time t 0 an electric field is detected in the region shown on the left diagram. The electric field is zero at all other locations. At a later time t 1 an electric field is detected in the region shown on the right diagram; the electric field is zero elsewhere. You conclude that an electromagnetic wave is passing through the region. (a) What is the direction of propagation of the electromagnetic wave? +y +y (b) If you were to measure the magnetic field in the region where the electric field is nonzero, what would be the direction of the magnetic field? +z (out of page) +z (out of page) Solution or Explanation (b) The direction of propagation is in the direction of . 2.
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Ch24 HW1 - Ch24 HW1 F2010 12/17/10 9:35 PM Stefan Coreth PY...

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