Question
Sun July 31, 2011 By:

state the factors on which magnetic field produced due to current depends? how can you say that magnetic factors?

Expert Reply
Mon August 01, 2011
Suppose we need to find the magnetic field (B) due to a straight current carrying conductor.
In this case the magnetic field at any point due to current flowing through the conductor depends on:
 
1.  the current (I) carried by the conductor. Magnetic field B increases with an increase in the current I.
               
 
2.  the distance (r) of the point from the conductor. Magnetic field B decreases with an increase in the distance r.
                                      
 
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