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Cambridge IGCSE Physics practice

Paper 3 structured question: Action and use of circuit components

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Action and use of circuit components

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Paper 3Theory (Core)1 marks

Understanding the relationship between potential difference, current, and resistance is essential in electrical circuits.

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Potential Difference and Resistance

In a circuit, a conductor has a resistance of 10Ω and a current of 2A flowing through it.

  1. a

    State the potential difference across the conductor.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Action and use of circuit components

Paper 3Theory (Core)1 marks

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Resistance and Current

A circuit has a current of 5A and a resistance of 15Ω. What is the potential difference across the circuit?

  1. a

    State the potential difference across the circuit.

    Aim for approximately 1 distinct marking point.

    [1]