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Author Question: The number of significant figures in 0.040 is A) one. B) two. C) three. D) ... (Read 84 times)

jazziefee

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on: Jul 29, 2018
The number of significant figures in 0.040 is
 
  A) one.
  B) two.
  C) three.
  D) four.

Question 2

A tube of mercury with resistivity 9.84  10-7   m has an electric field inside the column of mercury of magnitude 23 N/C that is directed along the length of the tube. How much current is flowing through this tube if its diameter is 1.0 mm?
 
  A) 18 A
  B) 180 A
  C) 29 A
  D) 280 A


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potomatos

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


jazziefee

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Reply 2 on: Jul 29, 2018
Gracias!

AmberC1996

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Reply 3 on: Yesterday
Wow, this really help

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