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Author Question: The maximum value of the magnetic field in an electromagnetic wave is 4.7 T. What is the maximum ... (Read 34 times)

Charlie

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on: Jul 29, 2018
The maximum value of the magnetic field in an electromagnetic wave is 4.7 T. What is the maximum value of the electric field?
 
  A) 1.4  103 V/m
  B) 1.4  103 N/C
  C) 1.4  103 J/Cm
  D) All of the answers given are correct.
  E) None of the answers given is correct.

Question 2

Two point charges of magnitude 4.0 C and -4.0 C are situated along the x-axis at x1 = 2.0 m and x2 = -2.0 m, respectively. What is the electric potential energy of this system of charges?
 
  A) -36 mJ
  B) 36 mJ
  C) 0 J
  D) -72 mJ
  E) 72 mJ


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sokh

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


Charlie

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

Joy Chen

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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