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Author Question: In a single electric cord, such as a cord that connects a wall socket with an electric light, A) ... (Read 102 times)

Mr.Thesaxman

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In a single electric cord, such as a cord that connects a wall socket with an electric light,
 
  A) there is just one wire, carrying protons into the light bulb.
  B) there are two wires, one carrying electrons into the light bulb and the other carrying electrons out.
  C) there are two wires, one carrying protons into the light bulb and the other carrying protons out of the light bulb.
  D) there is just one wire, carrying electrons into the light bulb.
  E) there are two wires, both carrying giant pumpkins into the light bulb.

Question 2

The critical angle in air for a particular type of glass is 39.0. What is the speed of light in this class glass? (c = 3.00  108 m/s)
 
  A) 1.97  108 m/s
  B) 1.94  108 m/s
  C) 1.91  108 m/s
  D) 1.89  108 m/s
  E) 2.00  108 m/s



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jessofishing

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Answer to Question 1

B

Answer to Question 2

D





 

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