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Author Question: A circular loop carrying a current of 3.0 A is oriented in a magnetic field of 0.35 T. The loop has ... (Read 37 times)

Awilson837

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on: Jul 28, 2018
A circular loop carrying a current of 3.0 A is oriented in a magnetic field of 0.35 T. The loop has an area of 0.24 m2 and is mounted on an axis, perpendicular to the magnetic field, which allows the loop to rotate. What is the torque on the loop when its plane is oriented at a 50 angle to the field?
 a. 4.6 Nm
  c. 0.076 Nm
  b. 0.16 Nm
  d. 0.23 Nm

Question 2

A pipe of diameter 4 cm is replaced by one of the same length but of diameter 5 cm. If the pressure difference between the ends of the pipe remains the same, by what factor is the rate of flow of a viscous liquid through it changed?
 a. 5.1
  c. 2.4
  b. 3.4
  d. 1.5


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Ksanderson1296

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

B

Answer to Question 2

C


Awilson837

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  • Posts: 509
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

kilada

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Reply 3 on: Yesterday
Wow, this really help

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