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Author Question: In a series circuit containing a resistor and an inductor connected to an ideal dc source and a ... (Read 111 times)

mia

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on: Jul 29, 2018
In a series circuit containing a resistor and an inductor connected to an ideal dc source and a switch, the inductor gets 40 of its maximum current 1.8 s after the switch is closed. What is the time constant of this circuit?
 
  A) 2.5 s B) 0.80 s C) 5.5 s D) 3.5 s E) 1.5 s

Question 2

Doubling the potential across a given capacitor causes the energy stored in that capacitor to
 
  A) reduce to one-half. B) double.
  C) quadruple. D) reduce to one-fourth.


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Sophiapenny

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

D

Answer to Question 2

C


mia

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Reply 2 on: Jul 29, 2018
Wow, this really help

T4T

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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