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Author Question: In a He-Ne laser, the actual emission line at 632.8 nm comes from a jump down in what atom(s)? A) ... (Read 71 times)

madam-professor

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on: Jul 27, 2018
In a He-Ne laser, the actual emission line at 632.8 nm comes from a jump down in what atom(s)?
 
  A) neon
  B) helium
  C) helium and neon
  D) oxygen
  E) hydrogen

Question 2

If the ac peak current through a 100 ohm resistor is 1.7 A, the peak voltage across this resistor is
 
  A) 289 V.
  B) 110 V.
  C) 170 V.
  D) 210 V.
  E) 120 V.


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maya.nigrin17@yahoo.com

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


madam-professor

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

bitingbit

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Reply 3 on: Yesterday
Excellent

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