When I tried to do find direction of magnetic field at origin using Right hand thumb rule it gave direction of field as -j but when I applied Boit Savart Law i.e B=Idl * R it gives direction of field as +j....................Why this contradiction???????????Plzzzzzzzzzzzzzzzzz help meeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Jitender Pal , 10 Years ago

Grade 9