The magnetic field lines produced around a long straight conductor carrying steady…
PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
The magnetic field lines produced around a long straight conductor carrying steady electric current have which shape?
(a) Helical lines spiralling around the conductor
(b) Concentric circles lying in planes perpendicular to the conductor
(c) Straight lines parallel to the conductor
(d) Radial lines directed outward from the conductor