The magnetic moment is given by:
\[
\mu = N \cdot I \cdot A
\]
where \( N = 12 \) is the number of turns, \( I = 0.85 \, \text{A} \) is the current, and \( A = d^2 \) is the area of the loop. Given \( d = 20 \, \text{cm} = 0.2 \, \text{m} \), the area \( A =
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