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Author Question: When a current I1 = 1.3 A passes through a wire of cross-sectional area A1 = 5 mm2 the drift ... (Read 73 times)

DelorasTo

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When a current I1 = 1.3 A passes through a wire of cross-sectional area A1 = 5 mm2 the drift velocity of the charge carriers is v1 = 2.7  10-5 m/s.
 
  What is the drift velocity of the charges when a current I2 = 0.5 A passes through a wire, made of the same material of cross-sectional area A2 = 3 mm2?
  A)
 
  8.4  10-5 m/s
  B)
 
  6.4  10-5 m/s
  C)
 
  1.7  10-5 m/s
  D)
 
  3.2  10-5 m/s
  E)
 
  2.1  10-5 m/s

Question 2

A wave has a period 2.00 s, an amplitude 20.0 cm, and a wavelength 3.00 m. What is the speed of the wave?
 
  A)
 
  10.0 cm/s
 
  B)
 
  1.50 m/s
 
  C)
 
  340 m/s
 
  D)
 
  0.100 cm/s
 
  E)
 
  0.667 m/s



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cascooper22

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Answer to Question 1

C

Answer to Question 2

B




DelorasTo

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


mcabuhat

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Reply 3 on: Yesterday
:D TYSM

 

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