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Why mains electricity is dangerous

Why mains electricity is dangerous

Mains electricity is the supply delivered to buildings, and it is usually alternating current, so the current changes direction repeatedly. Electrical safety is about stopping dangerous current from passing through a person and stopping wires from getting hot enough to cause a fire.

Electrical safety Lesson

  1. IGCSE
  2. /Physics
  3. /Electrical safety

Step-by-step lessons covering CIE IGCSE Physics Electrical safety for Core and Extended tier. Each lesson breaks down Electrical safety, then works through exam-style questions in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended), plus Paper 5 or Paper 6 format. Build a strong foundation in mechanics and electricity before tackling the more mathematically demanding astrophysics and nuclear topics.