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Cambridge IGCSE Physics practice

Paper 3 structured question: Electrical safety

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3

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1

Marks

Topic

Electrical safety

Exam-style question

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Paper 3Theory (Core)1 marks

Electrical safety in appliances

Description

Electrical Appliance Safety

The outer casing of electrical appliances can be made from non-conductive materials or can be earthed to ensure safety.

  1. a

    State two methods of ensuring safety in electrical appliances.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Electrical safety

Paper 3Theory (Core)3 marks

Description

Appliance Casing

The outer casing of electrical appliances is designed to protect users from electric shocks. It can be made from non-conductive materials or can be earthed.

  1. a

    Explain why it is important for electrical appliances to have either non-conductive casings or earthing.

    Aim for approximately 3 distinct marking points.

    [3]