A solenoid has a core of inner radius 20 cm and outer radius 22 cm around which 3000 turns of wire are wound. If the current in the wire is 10 A, the field along the axis at distance of 2 m from the centre is given by

A solenoid has a core of inner radius 20 cm and outer radius 22 cm aro

1.	A solenoid has a core of inner radius 20 cm and outer radius 22 cm around which 3000 turns of wire are wound. If the current in the wire is 10 A, the field along the axis at distance of 2 m from the centre is given by
Answer» `1.4 XX 10^(-4)T` `0.4 xx 10^(-4)T` `1.04 xx 10^(-4)T` `1.004 xx 10^(-4)T` ANSWER :C