00494    a2200169   4500020001500000082001600015100002500031245007600056260005000132300002200182650001600204650001200220650002600232700002200258700002200280700002200302  a0131854992  a621.31bELE  aHieggelke, Cutris J.  aElectricity and magnetism tasksbinspired by physics education research  aNew JerseybPearson Prentice Hallc2006g2006  axiv, 242p.c28cm.  aElectricity  aPhysics  aElectical Engineering  aO'Kuma, Thomas L.  aMaloney, David P.  aKanim, Stephen E.