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Author Question: What is the stored energy in a 1.5-mH coil carrying a current of 4.0 A? a. 12 10-3 J c. 8.0 10-3 ... (Read 45 times)

CharlieWard

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on: Jul 28, 2018
What is the stored energy in a 1.5-mH coil carrying a current of 4.0 A?
 a. 12  10-3 J
  c. 8.0  10-3 J
  b. 4.0  10-3 J
  d. 2.0  10-3 J

Question 2

Transverse waves travel with a speed of 283 m/s along a taut copper wire that has a diameter of 1.50 mm. What is the tension in the wire? (The density of copper is 8.93 g/cm3.)
 a. 1890 N
  c. 631 N
  b. 1260 N
  d. 315 N


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Sierray

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

A

Answer to Question 2

B


CharlieWard

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

strudel15

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

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