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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)3 marks

A circuit contains three lamps connected in parallel.

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]

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Paper 3 structured question: Electrical circuits

Paper 3Theory (Core)4 marks

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]