Physics · GCSE · Electricity & Magnetism

Electrical power

gcse-phys-6-2-4-1Free2:43Heddy Score 2 of 7, below the standard

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What you need to know

  • Power is the rate at which energy is transferred, measured in watts.
  • One watt is one joule transferred each second.
  • Learning each equation with its units helps when choosing which one a question needs.

In this clip

0:00–2:43Powerph1
Also coversElectrical powergcse-phys-6-2-4-1
Also coversKinetic energygcse-phys-6-1-1-2a
Also coversMomentumgcse-phys-6-5-5-1
Also coversCalculating weight (W = m × g)p79
Also coversCalculating resistance (R = V ÷ I)p59
Also coversStretching, squashing and Hooke's lawgcse-phys-6-5-3a
Heddy Score2/7, Below the standard
  • Trusted source · passed. The creator's own upload, live and playable here.
  • On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
  • Spec-true · not judged yet. Accurate, and right for the current UK specification.
  • Focused · passed. One idea, short enough to watch in one go.
  • Accessible · not judged yet. Good captions, clear sound and pictures.
  • Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
  • Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
★ passed · ☆ pending · ✕ failed
Our students

Not enough students yet

Our own students' answers. These are what move ★7 Proven.
How the Heddy Score works

Why we picked it

Ashby School physics department song for memorising the GCSE physics equations; a recall aid across many topics rather than a lesson on one.

biologyclarke on YouTubechecked 2026-10-16