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Conductors and Insulators Online Quiz

Test your knowledge of electrical conductors and insulators, including their definitions, properties, and practical applications in electrical circuits.

9 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Why is electrical wiring usually covered with a layer of plastic?

  1. To make it look pretty
  2. To make it safe
  3. To help electricity flow along the wire
  4. To show which is negative and which is positive
Question 2 Multiple Choice (Single Answer)

Why is electrical wiring usually made from copper?

  1. Because copper is shiny
  2. Because copper conducts electricity
  3. Because copper is not magnetic
  4. Because it is an expensive material
Question 3 Multiple Choice (Single Answer)

Ruby has connected 2 bulbs across 2 batteries in a circuit. How can she make the bulbs dimmer?

  1. Replace one of the batteries with a section of wire.
  2. Replace one of the batteries with a piece of rubber.
  3. Replace one of the bulbs with a section of wire.
  4. Disconnect the batteries.
Question 4 Multiple Choice (Single Answer)

Why is the bulb brighter in the circuit with 2 batteries and one bulb?

  1. The flow of electricity is less.
  2. The flow of electricity is the same.
  3. The flow of electricity is more.
  4. The flow of electricity is blocked
Question 5 Multiple Choice (Single Answer)

In which circuit will the bulb or bulbs glow brightest?

  1. A simple circuit with one bulb and one battery.
  2. A simple circuit with 2 batteries and 2 bulbs.
  3. A simple circuit with 2 batteries and 1 bulb.
  4. A simple circuit with three bulbs and 1 battery.
Question 6 Multiple Choice (Single Answer)

Which of the following is an electrical insulator?

  1. Gold
  2. Aluminum
  3. Rubber
  4. Water
Question 7 Multiple Choice (Single Answer)

A material that does not let electricity pass through it is called.............

  1. An electrical conductor
  2. A super conductor
  3. An electrical insulator
  4. A blocker
Question 8 Multiple Choice (Single Answer)

A material that lets electricity pass through it is called.....

  1. An electrical conductor
  2. An electrical insulator
  3. An electrical appliance
  4. A piece of metal
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