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Author Question: A circular loop of wire has its radius doubled in time t. A uniform magnetic field is at an angle of ... (Read 55 times)

fahad

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on: Jul 28, 2018
A circular loop of wire has its radius doubled in time t. A uniform magnetic field is at an angle of 60 to the plane of the coil, and the magnetic field halves its intensity in the same time interval t. During this interval, what happens to the flux through the coil?
 a. It decreases.
  b. It remains the same.
  c. It increases.
  d. More information is needed to make this conclusion.

Question 2

A mass-spring system on a horizontal frictionless surface is set in simple harmonic motion with amplitude A. The mass is then doubled and the system is again set into simple harmonic motion with the same amplitude. Which of the following is true about the total mechanical energy of the system due to doubling the mass?
 a. It has doubled. c. It has halved. b. It has quadrupled. d. It has not changed.


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mcarey591

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

C

Answer to Question 2

D


fahad

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

alvinum

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Reply 3 on: Yesterday
:D TYSM

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