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Cambridge IGCSE Physics practice

Paper 4 structured question: Electromotive force and potential difference

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4

Paper

2

Marks

Topic

Electromotive force and potential difference

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Paper 4Theory (Extended)2 marks

Understanding the relationship between work and charge.

Description

Electromotive Force and Work

An electric source provides an EMF of 10 V and does 20 J of work on a charge.

  1. a

    State the amount of charge moved by the electric source.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Electromotive force and potential difference

Paper 4Theory (Extended)2 marks

Description

Work and Charge in a Circuit

A circuit has an electromotive force of 15 V. A charge of 5 C is moved through this circuit.

  1. a

    State the work done in moving the charge through the circuit.

    Aim for approximately 2 distinct marking points.

    [2]