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 … [Read more...] about Magnetic Field due to a current through a straight conductor