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Voltage as energy per coulomb

Voltage as energy per coulomb

Electric charge QQQ is measured in coulombs, and work done or energy transferred WWW is measured in joules. In this topic, voltage tells you how much energy is linked with each coulomb of charge.

E.m.f. and p.d Lesson

  1. A Level
  2. /Physics
  3. /E.m.f. and p.d

Step-by-step lessons on OCR A A Level Physics E.m.f. and p.d. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks across the three papers require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

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