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Author Question: A long solenoid (1 500 turns/m) carries a current of 20 mA and has an inside diameter of 4.0 cm. A ... (Read 191 times)

cnetterville

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on: Jul 28, 2018
A long solenoid (1 500 turns/m) carries a current of 20 mA and has an inside diameter of 4.0 cm. A long wire carries a current of 2.0 A along the axis of the solenoid. What is the magnitude of the magnetic field at a point that is inside the solenoid and 1.0 cm from the wire?
 a. 78 mT
  b. 55 mT
  c. 48 mT
  d. 68 mT
  e. 2.0 mT

Question 2

A long solenoid (n = 1 200 turns/m, radius = 2.0 cm) has a current of a 0.30 A in its winding. A long wire carrying a current of 20 A is parallel to and 1.0 cm from the axis of the solenoid. What is the magnitude of the resulting magnetic field at a point on the axis of the solenoid?
 a. 0.60 mT
  b. 0.85 mT
  c. 52 mT
  d. 0.40 mT
  e. 0.75 mT


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aidanmbrowne

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

B

Answer to Question 2

A


cnetterville

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

atrochim

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Reply 3 on: Yesterday
Wow, this really help

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