Biot-Savart law indicates that the moving electrons (velocity produce a magnetic field B such that
A. B is perpendicular of
B. B is parallel to v
C. it obeys inverse cube law
D. it is along the line joining the electron and point of observationt
Answer:A
Biot-Savart law indicates that the moving electrons (velocity produce a magnetic field B such that
A. B is perpendicular of B. B is parallel to v C. it obeys inverse cube law D. it is along the line joining the electron and point of observationt