Cambridge AS & A Level Physics
18.5Electric potential
Electric potential in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic24 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 18.5.1Define electric potential as work done per unit positive charge bringing a small charge from infinity.
- 18.5.2Use field strength as the negative of the potential gradient.
- 18.5.3Use the potential of a point charge.
- 18.5.4Relate potential to the electric potential energy of two point charges and use it.
Lessons
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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.
Turn Electric potential into a strength.
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