Figure 3 shows a straight wire carrying a current in upward direction. The wire is placed near a wire loop. For each case described below, answer the following questions: a) What is  the  direction  of  the  magnetic  flux  through  the  loop?  b) Is the  magnitude  of  the  flux through   the  loop  increasing  or  decreasing with time?  c) What is  the  direction  of  the magnetic   field  produced  by  the  induced current in the loop?  d) What is the direction of the current induced in the loop? Case 1: The current is increasing. Case 2: The current is decreasing. Case 3:  The  current  is  constant  but  the  loop  is  being  pulled  away from the straight wire.

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter21: Circuits And Dc Instruments
Section: Chapter Questions
Problem 22CQ: Apply the loop rule to loop afedcba in Figure 21.47.
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Figure 3 shows a straight wire carrying a current in upward direction. The wire is placed near a wire loop.

For each case described below, answer the following questions:

a) What is  the  direction  of  the  magnetic  flux  through  the  loop? 

b) Is the  magnitude  of  the  flux through   the  loop  increasing  or  decreasing with time? 

c) What is  the  direction  of  the magnetic   field  produced  by  the  induced current in the loop? 

d) What is the direction of the current induced in the loop?

  1. Case 1: The current is increasing.
  2. Case 2: The current is decreasing.
  3. Case 3:  The  current  is  constant  but  the  loop  is  being  pulled  away from the straight wire. 
I
wire loop
Giordano
Transcribed Image Text:I wire loop Giordano
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