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Author Question: A superconductor is A) a conductor of electric charge that has sufficient cross-sectional area to ... (Read 62 times)

daltonest1984

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on: Jul 28, 2018
A superconductor is
 
  A) a conductor of electric charge that has sufficient cross-sectional area to make its resistance nearly zero.
  B) a conductor of electric charge that has zero resistance when subjected to very low temperatures.
  C) a conductor of electric charge that exhibits a negative resistance effect.
  D) a conductor of electric charge that exhibits zero resistance only in zero-gravity conditions.

Question 2

Which one of these materials has a positive temperature coefficient?
 
  A) Glass B) Rubber C) Copper D) Germanium


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kbennett34

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

B

Answer to Question 2

C


daltonest1984

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Reply 2 on: Jul 28, 2018
Excellent

juliaf

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Reply 3 on: Yesterday
Gracias!

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