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Author Question: The magnetic moment of a current loop does not depend upon A) the area. B) the current. C) the ... (Read 48 times)

darbym82

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on: Jul 27, 2018
The magnetic moment of a current loop does not depend upon
 
  A) the area.
  B) the current.
  C) the magnetic field.

Question 2

To transmit power over great distances, why is HIGH VOLTAGE chosen for long distance power lines?
 
  What will be an ideal response?


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ebonylittles

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

Power losses in the line go as I2r (r being the wire resistance). By increasing the voltage, the current can be reduced, thereby greatly reducing losses.


darbym82

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Reply 2 on: Jul 27, 2018
Excellent

nyrave

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Reply 3 on: Yesterday
Gracias!

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