00360    a2200121   4500082001600000100003700016245003500053260005700088300001600145650001200161650004200173650002300215  a541.37bOPE  aThe Open University of Sri Lanka  aPhysicsbelectricity - block 7  aNawalabThe Open University of Sri Lankac1989g1989  a208p.c29cm  aPhysics  aElectrochemistry and magnetochemistry  aPhysical chemistry