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Electrical Circuits 02

The plastic coating on electrical wires is an insulator.

Electrical Circuits 02

A bolt of lightning can measure up to three million volts and lasts less than one second! The irrational fear of lightning (and thunder) is known as astraphobia. Test your knowledge on all things electrical in our second Science quiz on the subject.

Which of these options do you prefer?

  1. If the size of a battery in a complete circuit increases .......

  2. Two bulbs are in series in a complete circuit. If the voltage increases .......

  3. Two identical bulbs are in parallel in a complete circuit. If one breaks .......

  4. Two identical bulbs are in parallel in a complete circuit. A third identical bulb is connected in parallel. What happens?

  5. The current in a series circuit containing two bulbs .......

  6. Three identical bulbs are in parallel in a complete circuit. The current in each bulb .......

  7. Which of the following statements is true?

  8. Which of the following statements is true?

  9. Wires are usually coated in plastic because .......

  10. Wires are normally made from copper. This is because .......

Quiz written by Sue Davison

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