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Author Question: A 100-m long wire carrying a current of 4.0 A will be accompanied by a magnetic field of what ... (Read 91 times)

amal

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on: Jul 28, 2018
A 100-m long wire carrying a current of 4.0 A will be accompanied by a magnetic field of what strength at a distance of 0.040 m from the wire? (magnetic permeability in empty space 0 = 4p  10-7 Tm/A)
 a. zero
  c. 2.0  10-5 T
  b. 1.6  10-5 T
  d. 4.0  10-5 T

Question 2

Which of the following characterizes the net force on a particle falling through a fluid at its terminal speed?
 a. It is at a maximum.
  c. It is downwards.
  b. It is upwards.
  d. It is zero.


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succesfull

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

C

Answer to Question 2

D


amal

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Reply 2 on: Jul 28, 2018
Wow, this really help

jamesnevil303

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Reply 3 on: Yesterday
Gracias!

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