A small cube of side 1 mm is placed at the centre of a circular loop of radius 10 cm carrying a current of 2 A.The magnetic energy stored inside the cube is \(\alpha \times {10}^{-14}J\). The value of \(\alpha\) is ______ .

\(\left({\mu }_{o}=4\pi \times {10}^{-7}Tm/A,\pi =3.14\right)\)

[JEE Main 2026, 6 Apr (Shift 1)]

Question

A small cube of side 1 mm is placed at the centre of a circular loop of radius 10 cm carrying a current of 2 A.The magnetic energy stored inside the cube is \(\alpha \times {10}^{-14}J\). The value of \(\alpha\) is ______ .

\(\left({\mu }_{o}=4\pi \times {10}^{-7}Tm/A,\pi =3.14\right)\)

[JEE Main 2026, 6 Apr (Shift 1)]

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