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Concepts of magnetic fields of wires and emf fun times

  1. Apr 16, 2009 #1
    1. The problem statement, all variables and given/known data

    Hi I need some concepts on magnetic fields explained to me.


    1.)
    I know in theory that if you have a current carrying conductor say along the X-axis then the magnetic field generated would be in the y,z components
    So lets say I wish to measure the magnetic field in real life at a point P shown below, will there be any magnetic field detectable at this point? My spider senses tell me no but I'm not too sure.

    2n868l.gif


    2.)
    This leads onto the second part, You have 2 wires which are both connected to whatever circuit so current can flow. If wire1 has a current flowing through it I know this will produce a magnetic field which creates an emf in wire2 which generates a current.

    Now does the emf produced in wire2 come as a result from the magneitc field from just the B C section of wire1 ?

    Lastly, is this emf generated along the entirety of wire2 D to F or just confined to the D to E region

    2a0klg9.gif
     

    Attached Files:

    Last edited: Apr 16, 2009
  2. jcsd
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