If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by ;

If a circular conductor carries a current of ‘I’ ampere having rad

1.	If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by ;
A.	\(\frac{I}{{4r}}At/m\)
B.	\(\frac{I}{r}At/m\)
C.	\(\frac{I}{{2r}}At/m\)
D.	\(\frac{I}{{2r}}At/Wb\)
Answer» D. \(\frac{I}{{2r}}At/Wb\)

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If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by ;

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