wire of diameter 1mm is wound around a plastic cylinder of diameter 1cm and length 50 cm uniformly in 3 layers so that there are a total of 1500 turns all continuous and in the same direction the wire carries a current of 0.02A THE MAGNETIC FIELD AT THE CENTRAL POINT OF THE CYLINDER IS a 38microtesla b 75 micro tesla c 1.2mt d 25 microtesla
wire of diameter 1mm is wound around a plastic cylinder of diameter 1cm and length 50 cm uniformly in 3 layers so that there are a total of 1500 turns all continuous and in the same direction the wire carries a current of 0.02A THE MAGNETIC FIELD AT THE CENTRAL POINT OF THE CYLINDER IS
a 38microtesla b 75 micro tesla c 1.2mt d 25 microtesla











