Question 1 On what factors does the intensity of magnetic field due to current carrying conductor depends? Magnetic Field due to a current through a straight conductor 1)Take a battery,rheostat,an ammeter,a plug key and a long straight thick copper wire. 2)Insert the thick wire through the centre,normal to the plane of a rectangular cardboard.Take care cardboard … [Read more...] about Magnetic Field due to a current through a straight conductor