Q. If a copper rod carries a direct current, the magnetic field associated with the current will be
A) Only inside the rod
B) Only outside the rod
C) Both inside and outside the rod
D) Neither inside nor outside the rod
Explanation
(c) Magnetic field lies inside as well as outside the solid current carrying conductor
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.