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PH 223 Discussion 34 A

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by

Richard Datwyler

on 31 March 2016

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Transcript of PH 223 Discussion 34 A

Conceptual Discussion
Poynting Vector
Using the Poynting vector and the relationship between fields, which of the following represent possible electromagnetic waves, why or why not?
These two together determine the Electromagnetic waves.
In EM wave the electric and magnetic fields are related to each other.
Poynting vector describes the direction and the intensity of an electromagnetic wave.
Z
X
Y
E
B
S
Z
X
Y
Z
X
Y
Z
X
Y
Z
X
Y
Z
X
Y
Z
X
Y
E
E
B
B
E
E
E
E
B
B
B
B
S
S
S
S
S
S
F
E
D
A
C
B
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