12 A long straight wire along the Z axis carries a current i

Last updated: 6/11/2023

12 A long straight wire along the Z axis carries a current i in the negetive Z direction The magnetic vector field B at a point having coordinate x y on the z 0 plane is A 0i xi yj 2n x 2 y 2 B 0i x yj 2 x 2 y 2 C 0i x yi 2 x 2 y 2 D 0 i yi x 2 x 2 y 2 1 point Clear selection 13 A long solenoid has 200 1 point