Other questions in this quiz

2. what is a live wire

  • connected directly to the generators (blue)
  • connected directly to the generators (brown)
  • connected directly to the generators (yellow/green)

3. what's a neutral wire

  • it returns the electricity (brown)
  • it returns the electricity (blue)
  • it returns the electricity (yellow/green)

4. Efficiency equation

  • total energy input divided by useful energy output x 100
  • useful energy output divided by total energy input x 100
  • total energy input divided by useful energy output
  • useful energy output divided by total energy input

5. power equation using current and resistance

  • current divided by resistance
  • resistance divided by current
  • current squared x resistance
  • current x resistance

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