The current I ampere is flowing in an equilateral triangle of side a the magnetic field induction at the centroid will be

A current of 2A is flowing in the sides of an equilateral triangle of side 9 cm. The magnetic field at the centroid of the triangle is

A current of 2A is flowing in the sides of an equilateral triangle of side 9 cm. The magnetic field at the centroid of the triangle is

A current I is flowing in a hexgonal coil of side a figure. The magnetic field induction at the centre O of the coil will be

A current I is flowing in an octagonal coil of side a figure. The magnetic field induction at the centre O of the coil will be

Current 'i' is flowing in heaxagonal coil of side a. The magnetic induction at the centre of the coil will be

A current of 1A is flowing in the sides of equilateral triangle of side 4.5xx10^(-2)m . The magnetic induction at centroid of the triangle: