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Energy transfer and types of supply

Energy transfer and types of supply

Voltage-time graphs comparing direct voltage as a constant line with alternating voltage as a wave crossing zero, with current direction labels Mains electricity transfers energy from the supply to domestic appliances such as kettles, chargers and washing machines. Current is the flow of charge, while potential difference tells us how much energy is transferred per unit charge.

Mains electricity and electrical safety Lesson

  1. GCSE
  2. /Combined Science
  3. /Mains electricity and electrical safety

Step-by-step lessons covering Edexcel GCSE Combined Science Mains electricity and electrical safety for Foundation and Higher tier. Each lesson works through exam-style questions.

Lessons