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Author Question: In an electromagnetic wave, the electric and magnetic fields are oriented such that they are A) ... (Read 56 times)

lidoalex

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on: Jul 29, 2018
In an electromagnetic wave, the electric and magnetic fields are oriented such that they are
 
  A) parallel to one another and perpendicular to the direction of wave propagation.
  B) parallel to one another and parallel to the direction of wave propagation.
  C) perpendicular to one another and perpendicular to the direction of wave propagation.
  D) perpendicular to one another and parallel to the direction of wave propagation.

Question 2

An LC circuit consists of a 3.4-F capacitor and a coil with a self-inductance 0.080 H and no appreciable resistance. At t = 0 the capacitor has a charge of 5.4 C and the current in the inductor is zero.
 
  (a) How long after t = 0 will the current in the circuit be maximum?
  (b) What will be this maximum current?
  What will be an ideal response?


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Kimmy

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

Answer: C

Answer to Question 2

Answer: (a) 0.82 ms (b) 10 mA


lidoalex

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Reply #2 on: Jul 29, 2018
Thank you!


Kimmy

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Reply #3 on: Jul 29, 2018
Always glad to help...


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