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Author Question: A beam of laser light is a. neither monochromatic nor coherent. b. monochromatic but not coherent. ... (Read 105 times)

neverstopbelieb

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on: Jul 28, 2018
A beam of laser light is
 a. neither monochromatic nor coherent.
  b. monochromatic but not coherent.
  c. coherent but not monochromatic.
  d. both monochromatic and coherent.

Question 2

A 5-turn square loop (10 cm along a side, resistance = 4.0 ) is placed in a magnetic field that makes an angle of 30 with the plane of the loop. The magnitude of this field varies with time according to B = 0.50t2, where t is measured in s and B in T. What is the induced current in the coil at t = 4.0 s?
 a. 25 mA
  b. 5.0 mA
  c. 13 mA
  d. 43 mA
  e. 50 mA


ryansturges

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

d

Answer to Question 2

a


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