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Author Question: A 1.0-m long wire is carrying a certain amount of current. The wire is placed perpendicular to a ... (Read 147 times)

joesmith1212

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A 1.0-m long wire is carrying a certain amount of current. The wire is placed perpendicular to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.60 N, what is the magnitude of the current moving through the wire?
 
  A)
 
  2.0 A
  B)
 
  1.0 A
  C)
 
  3.0 A
  D)
 
  4.0 A
  E)
 
  5.0 A

Question 2

The windings of a DC motor have a resistance of 6.00 . The motor operates on 120 V AC, and when running at full speed it generates a back emf of 105 V. What current does the motor draw when operating at full speed?
 
  A)
 
  2.50 A
  B)
 
  5.00 A
  C)
 
  17.5 A
  D)
 
  20.0 A
  E)
 
  37.5 A



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Loise Hard

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Answer to Question 1

C

Answer to Question 2

A




joesmith1212

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Reply 2 on: Jul 29, 2018
Wow, this really help


olderstudent

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

 

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