Consider a current carrying wire (current in the shape of a circle
A. source of emf
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 the right way by repulsion
D. the charges ahead
Answer:B
Consider a current carrying wire (current in the shape of a circle
A. source of emf 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 the right way by repulsion D. the charges ahead