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Author Question: A current-carrying 2.0-cm long segment of wire is inside a long solenoid (radius = 4.0 cm, n = 800 ... (Read 94 times)

leo leo

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on: Jul 28, 2018
A current-carrying 2.0-cm long segment of wire is inside a long solenoid (radius = 4.0 cm, n = 800 turns/m, current = 50 mA). The wire segment is oriented perpendicularly to the axis of the solenoid. If the current in the wire segment is 12 A, what is the magnitude of the magnetic force on this segment?
 a. 22 mN
  b. 16 mN
  c. 18 mN
  d. 12 mN
  e. 0 mN

Question 2

A long solenoid (diameter = 5.0 cm) is wound with 960 turns per meter of thin wire through which a current of 300 mA is maintained. A wire carrying 12 A is inserted along the axis of the solenoid. What is the magnitude of the magnetic field at a point 2.0 cm from the axis?
 a. 0.41 mT
  b. 0.48 mT
  c. 0.38 mT
  d. 0.56 mT
  e. 0.24 mT


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tdewitt

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

D

Answer to Question 2

C


leo leo

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Reply 2 on: Jul 28, 2018
Gracias!

cam1229

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Reply 3 on: Yesterday
Excellent

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