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Author Question: The size of the electric current in a electrical conductor is a function of which of the following? ... (Read 110 times)

frankwu

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on: Jul 28, 2018
The size of the electric current in a electrical conductor is a function of which of the following?
 a. conductor cross sectional area
  c. density of charge carriers
  b. velocity of charge carriers
  d. All of these choices are valid.

Question 2

A bucket in an old well is hoisted upward by a rope which winds up on a cylinder having a radius of 0.050 m. How many rev/s must the cylinder turn if the bucket is raised at a speed of 0.20 m/s?
 a. 3.0 rev/s
  c. 0.48 rev/s
  b. 1.5 rev/s
  d. 0.64 rev/s


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juliaf

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

D

Answer to Question 2

D


frankwu

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Reply #2 on: Jul 28, 2018
Thank you!


juliaf

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Reply #3 on: Jul 28, 2018
Always glad to help...


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