Question

7. The magnetic field lines due to straight wire carrying a current are
. Parabolic b. Straight c. Circular
d. Elli​

Answer 1

Answer:

c.circular

use thumb to identify it. thumb shows current other fingers show the magnetic lines.

mark it as best answer

Answer 2

Answer:

circular

Explanation:

The Magnetic field lines around a straight conductor carrying current are concentric circles whose centres lie on the wire. The direction of magnetic field lines can be determined using Right-Hand Thumb Rule.