Question

draw a magnetic field line around a striaght current carring conductor ​

Answer 1

Answer:

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.

Answer 2

Answer:

Magnetic field lines form in concentric circles around a cylindrical current carrying conductor. The direction of such magnetic field can be determined by using the "Right hand rule".

It has been pictorially shown in the figure.