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CBSE Class 10 Answered

how can u increase the strength of magnetic field produced by circular coil carrying conductor?
Asked by | 16 Sep, 2013, 09:06: AM
answered-by-expert Expert Answer
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.
                                       
 
=>
                   
Answered by | 16 Sep, 2013, 11:34: AM

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