On connecting a battery to the two corners of a diagonal of a square conductor frame of side \[a\] the magnitude of the magnetic field at the centre will be [MP PET 2002]

\[\frac{{{\mu }_{0}}}{4\pi }\frac{2\sqrt{2}M}{{{d}^{3}}}\]

\[\frac{4{{\mu }_{o}}i}{\pi a}\]

On connecting a battery to the two corners of a diagonal of a square c

1.	On connecting a battery to the two corners of a diagonal of a square conductor frame of side \[a\] the magnitude of the magnetic field at the centre will be [MP PET 2002]
A.	Zero
B.	\[\frac{{{\mu }_{o}}}{\pi a}\]
C.	\[\frac{{{\mu }_{0}}}{4\pi }\frac{2\sqrt{2}M}{{{d}^{3}}}\]
D.	\[\frac{4{{\mu }_{o}}i}{\pi a}\]
Answer» B. \[\frac{{{\mu }_{o}}}{\pi a}\]

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On connecting a battery to the two corners of a diagonal of a square conductor frame of side \[a\] the magnitude of the magnetic field at the centre will be [MP PET 2002]

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