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Author Question: An RL circuit has L = 0.40 H and R = 5.0 W. It is connected to a battery with e = 22 V at time t = 0 ... (Read 80 times)

SAVANNAHHOOPER23

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on: Jul 28, 2018
An RL circuit has L = 0.40 H and R = 5.0 W. It is connected to a battery with e = 22 V at time t = 0 . Find the energy stored in the inductor when the current in the circuit is 2.3 A.
 a. 5.0 J
  c. 50 mJ
  b. 2.0 J
  d. 1.1 J

Question 2

If the speed of a wave on a violin string is 400 m/s, what will be the speed of the wave if the tension in the string is halved?
 a. 100 m/s
  c. 280 m/s
  b. 200 m/s
  d. 570 m/s


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Edwyer

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

D

Answer to Question 2

C


SAVANNAHHOOPER23

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Reply 2 on: Jul 28, 2018
Wow, this really help

brbarasa

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Reply 3 on: Yesterday
Gracias!

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