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Author Question: A series circuit consists of a 0.55-H inductor with internal resistance of 8.0 connected in series ... (Read 162 times)

folubunmi

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on: Jul 29, 2018
A series circuit consists of a 0.55-H inductor with internal resistance of 8.0  connected in series with a 4.0- resistor, an open switch, and an ideal 12-V battery.
 
  (a) When the switch is closed, what is the initial current through the 4.0- resistor?
  (b) What is the current through the 4.0- resistor a very long time after the switch is closed?

Question 2

Fermium-253 has a half-life of 3.00 days. A sample of fermium has 7.37  107 nuclei. How long will it take for there to be only 3.36  106 fermium nuclei in this sample?
 
  A)
 
  2.75 days
  B)
 
  9.80 days
  C)
 
  13.4 days
  D)
 
  15.7 days
  E)
 
  58.6 days


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softEldritch

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

(a) 0.00 A (b) 1.0 A

Answer to Question 2

C


folubunmi

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Reply #2 on: Jul 29, 2018
Thanks


softEldritch

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Reply #3 on: Jul 29, 2018
Welcome :)


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