Q.
In the current carrying conductor shown in figure, the magnetic induction at the centre O, of the semicircular part is
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a
2+1πμoi2R
b
1+2πμoi2R
c
1+1πμoi2R
d
1-1πμoi2R
answer is C.
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Detailed Solution
μoi4πR×2+μoi2R=1+1πμoi2R
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