What is the magnitude of axial field due to a bar
\( \mathrm{P} \) ...
What is the magnitude of axial field due to a bar
\( \mathrm{P} \) magnet of length \( 3 \mathrm{~cm} \) at a distance of \( 75 \mathrm{~cm} \) from
W its mid-point if its magnetic moment is \( 0.6 \mathrm{~A} \mathrm{~m}^{2} \) ?
(a) \( 0.013 \mu \mathrm{T} \)
(b) \( 0.113 \mu \mathrm{T} \)
(c) \( 0.284 \mu \mathrm{T} \)
(d) \( 0.313 \mu \mathrm{T} \)
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