For paramagnetic material: B-Bapp X>0 For diamagnetic material: B<Bapp X≤0 Ampere's law for magnetic material 5Aa=∑ Where I is the conducting current through the loopFor paramagnetic material: B>Bapp >0 For diamagnetic material: B<Bapp <0 Ampere’s law for magnetic material  H dl I L   Where I is the conducting current through the loop