Question

write an activity to find magnetic field lines around a straight current carying conductor(along with diagram)​

Answer 1

_____ Take a thick straight conductor XY and pass it through the centre of a thick cardboard.

_____Pass current through the conductor such that it flows from X to Y.

_____Sprinkle some iron filings on the cardboard and gently tap. ...

_____These concentric circles represent the magnetic field lines.