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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 30 times)

abarnes

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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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Answer to Question 1

2

Answer to Question 2

6





 

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