what is the si unit of permeability. what do Tm/A stands for? Share with your friends Share 0 Sumir Kapur answered this its si unit is Tm/A...as u hv mentioned...it stands for Tesla-meter/Ampere...:D 4 View Full Answer Devarakonda Himaja answered this si unit of permeabliity is TmA-1 i.e.......Hm-1=WbA-1m-1=Tm2A-1m-1=TmA-1 8 khatrin49... answered this eg. of ferromagneticiron, cobalt nickel -1 Divisha Sharma answered this Its tesla metre per ampere 3 Nouman answered this Please find this answer 0 Likhit Ajeesh answered this Ay hello....Okay! 2 Abhay Pratap Singh answered this Dtu dtu -1