Question

If a copper rod carries a direct current, the magnetic field associated with the current will be present

• A. inside the rod
• B. outside the rod
• C. on the surface of rod
• D. only outside of the rod

Answer 1

Answer: (A), (B), (C)

The correct options are
A inside the rod
B outside the rod
C on the surface of rod

Magnetic field lies inside,outside as well as on the surface of the solid current carrying conductor.