MCQOPTIONS
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MCQOPTIONS
| 1. |
Identify the expression for the magnetic field on the axis of circular loop. |
| A. | B= ( frac { mu_o Ir}{4 pi big ( (r^2 , + , x^2)^{ frac {1}{2}} big ] } ) 2 r |
| B. | B= ( frac { mu_o Ir}{4 pi big ( (r^2 , + , x^2)^{ frac {3}{2}} big ] } ) |
| C. | B= ( frac { mu_o Ir}{4 pi big ( (r^2 , + , x^2)^{ frac {3}{2}} big ] } ) 2 r |
| D. | B= ( frac { mu_o Ir}{4 pi big ( (r^2 , + , x^2)^{ frac {1}{2}} big ] } ) 4 r |
| Answer» D. B= ( frac { mu_o Ir}{4 pi big ( (r^2 , + , x^2)^{ frac {1}{2}} big ] } ) 4 r | |