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Cambridge IGCSE Physics practice

What is the primary function of a transformer?

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MCQ

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cambridge_mcq

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Topic

The transformer

Exam-style question

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What is the primary function of a transformer?.

  1. A.To convert AC to DC
  2. B.To change voltage levels
  3. C.To store electrical energy
  4. D.To increase current

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Paper 3 structured question: The transformer

Paper 3Theory (Core)1 marks

Description

Transformer Components

A transformer consists of two coils of wire and a core material. The primary coil is connected to an AC source, while the secondary coil delivers the output voltage. The core is made of soft iron to improve efficiency.

  1. a

    State the purpose of a transformer.

    Aim for approximately 1 distinct marking point.

    [1]