Question

Choose the correct sketch of the magnetic field lines of a circular current loop shown by the dot ? and the cross ?.

• A.
• B.
• C.
• D.

Answer 1

Answer: (A)

Answer 2

If magnetic field is perpendicular and into the plane of the paper, it is represented by cross $\otimes$ and if the direction of the magnetic field is perpendicular out of the plane of the paper it is represented by dot ?.