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Cambridge IGCSE Physics

4.5.2The a.c. generator

The a.c. generator in Cambridge IGCSE Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic11 practice questions1 lesson

Overview

Supplement content only: examined on the Extended papers.

Learning objectives

What the syllabus expects you to be able to do.

  1. 4.5.2.1Supplement: describe a simple a.c. generator (rotating coil or rotating magnet), with slip rings and brushes where needed.
  2. 4.5.2.2Supplement: sketch and interpret graphs of e.m.f. against time for a simple a.c. generator and link the coil's position to the peaks, troughs and zeros.

Lessons

  • The a.c. generator and the d.c. generator

    28 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

The a.c. generator: sample question

1 mark

In which position of a generator coil is the induced e.m.f. zero?

Choose one answer

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