Biot-Savart law indicates that the moving electrons produce a magnetic field B such that
A. B ┴ v
B. B ‖ v
C. it obeys inverse cube law
D. it is along the line joining the electrons and point of observation
Answer:A
Biot-Savart law indicates that the moving electrons produce a magnetic field B such that
A. B ┴ v B. B ‖ v C. it obeys inverse cube law D. it is along the line joining the electrons and point of observation