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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Electrical quantities

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Electrical quantities

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Paper 4Theory (Extended)1 marks

Electric charge is a fundamental concept in physics.

Description

Understanding Electric Charge

Electric charge is quantified in coulombs. It is a property of matter that causes it to experience a force in an electromagnetic field.

  1. a

    Define electric charge and its unit.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Electrical quantities

Paper 4Theory (Extended)2 marks

Description

Conservation of Charge

In an isolated system, the total electric charge remains constant. This principle is fundamental to understanding electric interactions.

  1. a

    Explain the principle of conservation of electric charge.

    Aim for approximately 2 distinct marking points.

    [2]