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44.The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance 4cm from centre is54micro tesla. what it's value at centre of the loop. |
| Answer» 44.The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance 4cm from centre is54micro tesla. what it's value at centre of the loop. | |