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Author Question: A hollow cylindrical (inner radius = 1.0 mm, outer radius = 3.0 mm) conductor carries a current of ... (Read 284 times)

mmm

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on: Jul 28, 2018
A hollow cylindrical (inner radius = 1.0 mm, outer radius = 3.0 mm) conductor carries a current of 80 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 2.0 mm from the axis of the conductor.
 a. 8.0 mT
  b. 3.0 mT
  c. 5.3 mT
  d. 16 mT
  e. 1.2 mT

Question 2

A long straight wire (diameter = 2.0 mm) carries a current of 40 A. What is the magnitude of the magnetic field 1.5 mm from the axis of the wire?
 a. 3.0 mT
  b. 12 mT
  c. 5.3 mT
  d. 7.4 mT
  e. 8.0 mT


ricroger

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

B

Answer to Question 2

C


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