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Author Question: A vertical wire carries a current vertically downward. To the east of this wire, the magnetic field ... (Read 214 times)

cookcarl

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on: Jul 29, 2018
A vertical wire carries a current vertically downward. To the east of this wire, the magnetic field points
 
  A) north.
  B) east.
  C) south.
  D) down.

Question 2

A rectangular coil having N turns and measuring 15 cm by 25 cm is rotating in a uniform 1.6-T magnetic field with a frequency of 75 Hz. The rotation axis is perpendicular to the direction of the field.
 
  If the coil develops a sinusoidal emf of maximum value 56.9 V, what is the value of N?
  A) 2 B) 4 C) 8 D) 10 E) 6


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Viet Thy

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


cookcarl

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


Viet Thy

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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