kdswhu 3k ri ,qov ,q*dv +hwhurvwuxfwxuh )lhog (iihfw 7udqvlvwruv The Hall effect was discovered by Dr. Edwin Hall in 1879 while he was a doctoral candidate at Johns Hopkins University in Baltimore. Hall was attempting to... V Ri,QDVHL Iihfw,MH Somerville,... 被引量: 0发表:...