Consider a current carrying wire (current I) in the shape of a circle. Note that as the current
Channel: Doubtnut
Date: 2020-08-16

Consider a current carrying wire (current I) in the shape of a circle. Note that as the current progresses along the wire, the direction of `vecJ` (current density) changes in an exact manner, while the current I remains unaffected. The agent that is essentially responsible for is