ABSTRACT

E1−E2= IR1+ IR2+ IR3 (Note that if current flows away from the positive terminal of a source, that source is considered by convention to be positive. Thus moving anticlockwi se around t he l oop of Fi gure 13.2, E1 is positive

I,

Problem 1. (a) Find the unknown currents marked i n Fi gure 13.3(a). (b) Det ermi ne t he val ue of e.m.f. E i n Fi gure 13.3(b).