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Author Question: The energy density of an electromagnetic wave in free space is A) entirely in the electric field. ... (Read 100 times)

V@ndy87

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on: Jul 29, 2018
The energy density of an electromagnetic wave in free space is
 
  A) entirely in the electric field.
  B) entirely in the magnetic field.
  C) 1/4 in the electric field and 3/4 in the magnetic field.
  D) 1/4 in the magnetic field and 3/4 in the electric field.
  E) equally divided between the magnetic and the electric fields.

Question 2

Four resistors having resistances of 20 , 40 , 60 , and 80  are connected in series across an ideal dc voltage source. If the current through this circuit is 0.50 A, what is the voltage of the voltage source?
 
  A) 20 V
  B) 40 V
  C) 60 V
  D) 80 V
  E) 100 V
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lkanara2

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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V@ndy87

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Reply 2 on: Jul 29, 2018
Excellent

isabelt_18

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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