The earth's magnetic field at a certain point is 0.70 gauss. This field is to be annulled by the magnetic field at the centre of a circular conducting loop 5.0 cm in radius. The required current is about

Magnetic field at the centre of a circular loop & arc

The earth's magnetic induction at a certain point is 7xx10^(-5) Wb/m^(2) . This is to be annulled by the magnetic induction at the centre of a circular conducting loop of radius 5 cm . The required current in the loop is

The earth's magnetic field at a given point is 0.5 xx 10^(-5) Wb m^(2) . This field is to be annulled by magnetic induction at the center of circular conducing loop of radius 5 . The current required to be flown in the loop is nearly

The earth's magnetic field at a given point is 0.5 xx 10^(-5) Wb m^(2) . This field is to be annulled by magnetic induction at the center of circular conducing loop of radius 5 . The current required to be flown in the loop is nearly

The earth's magnetic field at a given point is 0.5xx10^(-5) Wb-m^(-2) . This field is to be annulled by magnetic indcution at the centre of a circular conducting loop of radius 5.0 cm . The current required to be flown in the loop is nearly

The earth's magnetic field at a given point is 0.5xx10^(-5) Wb-m^(-2) . This field is to be annulled by magnetic indcution at the centre of a circular conducting loop of radius 5.0 cm . The current required to be flown in the loop is nearly