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Author Question: Which object below has the lowest resistance? All three have length L and are made out of the same ... (Read 40 times)

abarnes

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on: Jul 28, 2018
Which object below has the lowest resistance? All three have length L and are made out of the same material.
 
  1.1
  2.2
  3.3
  4.Both 1 and 3 have the same, and theirs is less than the resistance of 2.

Question 2

An ohmic conductor is carrying a current. The cross-sectional area of the wire changes from one end of the wire to the other. Which of the following quantities vary along the wire?
 
   
   
 
   A. The resistivity
   B. The current
   C. The current density
   D. The electric field


  1.A only
  2.B only
  3.C only
  4.D only
  5.A and B only
  6.C and D only
  7.A, B, C, and D
  8.None of the above


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Benayers

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Reply #1 on: Jul 28, 2018
Answer to Question 1

2

Answer to Question 2

6


abarnes

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Reply #2 on: Jul 28, 2018
Thanks


Benayers

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Reply #3 on: Jul 28, 2018
Welcome :)


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