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Cambridge AS & A Level Physics

18Electric fields

Electric fields in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic68 practice questions3 lessons

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Lessons

  • Electric fields and uniform fields between plates

    45 min

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  • Coulomb's law and the field of a point charge

    45 min

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  • Electric potential and electric potential energy

    45 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Electric fields: sample question

1 mark

The separation of two point charges is halved and one of the charges is doubled. By what factor does the force between them change?

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Turn Electric fields into a strength.

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