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 isA. source of e.mf.B. electric field produced by charges accumulated on the surface of wire.C. the charges just behind a given segment of wire which push them just right way by repulsionD. the charges just behind a given segment of wire which push them just right way by repulsion

Consider a current carrying wire (current I) in the shape of a circle.

1.	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 isA. source of e.mf.B. electric field produced by charges accumulated on the surface of wire.C. the charges just behind a given segment of wire which push them just right way by repulsionD. the charges just behind a given segment of wire which push them just right way by repulsion
Answer» Correct Answer - B

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