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Danger from electric shock

The starter and exit quiz of the lesson “Danger from electric shock”, from the unit “Mains electricity” (Year 11 Science) by Oak National Academy.

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Oak National Academy

12 questions

  1. A battery provides DC, which stands for …
  2. Which of the following equals a milliamp?
  3. A series circuit contains a battery and some resistors only. The connections to the battery are swapped. Which of the following statements about the effect of this change is correct?
  4. Which of the following statements is correct?
  5. How many of the following are good electrical conductors? rubber, copper, tap water, sea water
  6. One terminal of a power supply has a voltage of +5 V and the other terminal has a voltage of −2 V. Which of the following is the potential difference across the power supply?
  7. Mains electricity is AC, which stands for …
  8. What colour is the insulation of the neutral wire in a mains circuit?
  9. What is the voltage of the live wire in a UK mains circuit?
  10. Which of the following cause an electric shock?
  11. Which of the following explains why it is much more dangerous to get an electric shock when your skin is wet than when your skin is dry?
  12. A person gets an electric shock from the mains. Their skin has a resistance of 25 kΩ. The current through their body is ___ A.

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Danger from electric shock · Examplary