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Author Question: A series circuit contains a 12-V battery, a 4.0-W resistor, and a 12-mH inductor. If the switch to ... (Read 111 times)

Yi-Chen

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on: Jul 28, 2018
A series circuit contains a 12-V battery, a 4.0-W resistor, and a 12-mH inductor. If the switch to the battery is closed at t = 0, find the time required for the current in the circuit to reach 63 of its final value.
 a. 1.5 ms
  c. 4.0 ms
  b. 3.0 ms
  d. 5.0 ms

Question 2

Which of the following is an example of a longitudinal wave?
 a. sound wave in air
  c. both a and b
  b. wave traveling in a string
  d. neither a nor b


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sylvia

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

B

Answer to Question 2

A


Yi-Chen

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Reply 2 on: Jul 28, 2018
Excellent

tranoy

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

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