What you’ll learn2 learning objectivesChoose one objective for a focused lesson, or study the complete topic.4.5.2.1Simple form of a.c. generator• Describe a simple form of a.c. generator (rotating coil or rotating magnet) and the use of slip rings and brushes where neededSyllabus objective4.5.2.2And interpret graphs of e.m.f. against• Sketch and interpret graphs of e.m.f. against time for simple a.c. generators and relate the position of the generator coil to the peaks, troughs and zeros of the e.m.f.Syllabus objective