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Cambridge IGCSE Physics practice

Paper 3 structured question: Electromotive force and potential difference

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3

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Electromotive force and potential difference

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Paper 3Theory (Core)3 marks

Calculating work done using potential difference.

Description

Work Done in a Circuit

A charge of 3 coulombs moves through a potential difference of 5 volts. Calculate the work done on the charge.

  1. a

    Explain how to calculate the work done on the charge.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Electromotive force and potential difference

Paper 3Theory (Core)1 marks

Description

Potential Difference in a Circuit

A circuit consists of a battery and a resistor. The battery provides a potential difference of 12 volts across the resistor.

  1. a

    State the definition of potential difference.

    Aim for approximately 1 distinct marking point.

    [1]