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Exam-style practice

The a.c. generator answer explanations

Review worked answers and explanations for The a.c. generator. Aligned to Cambridge IGCSE Physics.

Answer explanations

Question 1 of 4

Review the answer support, then move sideways through the set.

Paper 4 structured question: The a.c. generator

Paper 4Theory (Extended)1 marks

Description

Components of an A.C. Generator

The generator has a rotating coil that induces voltage as it moves through a magnetic field. Slip rings and brushes are used to transfer the generated current to an external circuit.

  1. a

    State the purpose of slip rings in an a.c. generator.

    [1]