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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Electrical quantities

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Electrical quantities

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Paper 3Theory (Core)2 marks

Analyzing the factors affecting electric current.

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Factors Affecting Current

Electric current can be influenced by various factors including voltage, resistance, and temperature. Understanding these factors is crucial for analyzing electrical circuits.

  1. a

    Discuss how resistance affects electric current in a circuit.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Electrical quantities

Paper 3Theory (Core)2 marks

Description

Electric Current

Electric current is the flow of electric charge through a conductor, typically measured in amperes. It is caused by the movement of charged particles, primarily electrons, when a voltage is applied across the conductor.

  1. a

    Explain the relationship between electric current and the movement of charge.

    Aim for approximately 2 distinct marking points.

    [2]