Question

Magnetic field along the axis of a circular coil experiment viva questions with answers

Answer 1

field. According to Biot-Savart’s law, the magnetic field at a point due to an element of a conductor carrying current is,

 

Directly proportional to the strength of the current, iDirectly proportional to the length of the element, dlDirectly proportional to the Sine of the angle θ between the element and the line joining the element to the point andInversely proportional to the square of the distance r between the element and the point.