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Author Question: A series LR circuit consists of a 2.0-H inductor with negligible internal resistance, a 100-ohm ... (Read 50 times)

imanialler

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on: Jul 29, 2018
A series LR circuit consists of a 2.0-H inductor with negligible internal resistance, a 100-ohm resistor, a switch, and a 9.0-V power source. After the switch is closed, what is the maximum power delivered by the power supply?
 
  A)
 
  0.40 W
  B)
 
  81 W
  C)
 
  0.090 W
  D)
 
  8.1 W
  E)
 
  0.81 W

Question 2

A wave is described by the function y(x,t) = (3.00 cm)cos( 3.00 m-1)x + ( 4.00 s-1)t. What is the wavelength of this wave?
 
  A)
 
  2.09 m
 
  B)
 
  3.00 m
 
  C)
 
  0.333 m
 
  D)
 
  0.250 m
 
  E)
 
  1.57 m


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rnehls

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Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


imanialler

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Reply #2 on: Jul 29, 2018
Thank you!


rnehls

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Reply #3 on: Jul 29, 2018
Always glad to help...


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