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Author Question: The switch in the figure is closed at t = 0 when the current I is zero. When I = 15 mA, what is the ... (Read 26 times)

Jipu 123

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on: Jul 28, 2018

The switch in the figure is closed at t = 0 when the current I is zero. When I = 15 mA, what is the potential difference across the inductor?
 
   


   
  a.
  240 V
   
  b.
  60 V
   
  c.
  0
   
  d.
  180 V
   
  e.
  190 V

Question 2

Before the switch is closed in the figure, the potential across the capacitor is 200 V. At some instant after the switch is closed, the instantaneous current is 0.70 A. What is the energy in the capacitor at this instant?
 
   


   
  a.
  49 mJ
   
  b.
  31 mJ
   
  c.
  80 mJ
   
  d.
  0.13 J
   
  e.
  62 mJ


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InfiniteSteez

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

d

Answer to Question 2

b


Jipu 123

  • Member
  • Posts: 569
Reply 2 on: Jul 28, 2018
Excellent

helenmarkerine

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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