Question

describe an activity of magnetic field produced by a straight conductor​

Answer 1

Answer:

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. You will see that the iron filings arrange themselves in concentric circles around the wire.

Answer 2

Answer:

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. You will see that the iron filings arrange themselves in concentric circles around the wire.