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Author Question: A long, straight wire carries a current I (Fig. OQ30.8). Which of the following statements is true ... (Read 73 times)

dakota nelson

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on: Jul 28, 2018
A long, straight wire carries a current I (Fig. OQ30.8). Which of the following statements is true regarding the magnetic field due to the wire? More than one statement may be correct.
 
  1.The magnitude is proportional to I/r, and the direction is out of the page at P.
  2.The magnitude is proportional to I/r2, and the direction is out of the page at P.
  3.The magnitude is proportional to I/r, and the direction is into the page at P.
  4.The magnitude is proportional to I/r2, and the direction is into the page at P.
  5.The magnitude is proportional to I, but does not depend on r.

Question 2

What phase follows directly after the new phase of our Moon?


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Koolkid240

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

1

Answer to Question 2

Waxing crescent


dakota nelson

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Reply #2 on: Jul 28, 2018
TY


Koolkid240

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Reply #3 on: Jul 28, 2018
You're welcome


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