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Two wires with currents \( 2 \mathrm{~A} \) and \( 1 \mathrm{~A} \) are enclosed in a circular loop. Another wire with current \( 3 \mathrm{~A} \) is situated outside the loop as shown. The \( \oint \vec{B} \cdot \overrightarrow{d l} \) around the loop is:
img src=https://penpencil-static-content.s3.ap-south-1.amazonaws.com/5eb393ee95fab7468a79d189/l00sbdr5mh7d85s3bxvohfime.png /
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