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What power really means

What power really means

Energy transferred-time graph with lines of different gradient and two motors lifting identical loads in different times Power is the rate at which work is done or energy is transferred. A more powerful device transfers more energy each second, not necessarily more energy overall.

1.7.4 Power Lesson

  1. IGCSE
  2. /Physics
  3. /1.7.4 Power

Step-by-step lessons on CIE IGCSE Physics 1.7.4 Power. Each one builds up to exam-style questions. Build a strong foundation in mechanics and electricity before tackling the more mathematically demanding astrophysics and nuclear topics.

Lessons