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Rahul Karmakar (72)

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Ques 50

First APPLY Ampere's LAw
For x<r
B.dS =   i (enclosed)
 
i(enclosed)= i X (pi) X x2
                  ------------
                     (pi) X r2
 
dS = pi X r2
 
NOw For x>r
 
 
Simply apply
 
B . pi r^2 = (munot) X i
 
Substitute the values and the Answer is correct
 
 
 

ACCEPT THE UNEXCEPTED <TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0"> <TR><TD> <DIV ALIGN="right">Animated Letters</DIV></TD></TR></TABLE>
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