Question

Draw the pattern of magnetic field lines around a current carrying straight conductor.
How does the strength of the magnetic field line change
(a) with the distance from the conductor
(b) with an increase in current in the conductor

Answer 1

Answer:

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.

Answer 2

Kindly Refer to the Attachment.