Two identical batteries each of e.m.f 2V and internal resistance 1W are available to produce heat in an external resistance by passing a current through it. The maximum power that can be developed across R using these batteries is(a) 3.2 W(b) 2.0 W(c) 1.28 W(d)8/9 W
Simran Bhatia , 11 Years ago
Grade 11
