Author Question: A vertical wire carries a current straight down. To the east of this wire, the magnetic field points ... (Read 188 times)

cdr_15

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A vertical wire carries a current straight down. To the east of this wire, the magnetic field points
 
  A)
 
  north.
  B)
 
  east.
  C)
 
  west.
  D)
 
  south.
  E)
 
  down.

Question 2

The windings of a motor have a resistance of 4.0 . The counter emf of this motor when connected to a 120-V line and running at full speed is 104 V.
 
  (a) What is the start up current of this motor? (b) What is the current in the motor when running at full speed?



cswans24

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Answer to Question 1

D

Answer to Question 2

(a) 30 A
(b) 4 A



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