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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Electrical circuits

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Electrical circuits

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Paper 3Theory (Core)4 marks

A household lighting system is designed using parallel circuits.

Description

Household Parallel Lighting System

This system allows for individual control of each light fixture, enhancing user convenience.

  1. a

    Discuss the benefits of using parallel circuits in household lighting systems.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 3 structured question: Electrical circuits

Paper 3Theory (Core)3 marks

Description

Parallel Circuit with Three Lamps

In this circuit, each lamp is connected directly to the power source, allowing them to operate independently.

  1. a

    Explain the advantages of connecting lamps in parallel compared to connecting them in series.

    Aim for approximately 3 distinct marking points.

    [3]