The magnetic induction due to a current carrying circular loop of radius \( 3 \mathrm{~m} \) at ...

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The magnetic induction due to a current carrying circular loop of radius \( 3 \mathrm{~m} \) at a point on the axis at a distance of \( 4 \mathrm{~m} \) from the centre is \( 54 \mu \mathrm{T} \). What will be its value at the centre of the loop?
(A) \( 250 \mu \mathrm{T} \)
(B) \( 150 \mu \mathrm{T} \)
(C) \( 125 \mu \mathrm{T} \)
(D) \( 75 \mu \mathrm{T} \)
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