
Electrical Conductors and Insulators
Quiz by Teresa Nickell
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11 questions
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- Q1A material that lets electricity pass through it is called...an electrical appliancean electrical conductoran electrical insulator60s
- Q2A material that does NOT let electricity pass through it is calledan electrical appliancean electrical conductoran electrical insulator60s
- Q3Which of the following material is an electrical conductor?woodsilverplastic60s
- Q4Which of the following material is an electrical insulator?rubberaluminiumgold60s
- Q5Why is a bulb brighter when it is powered by two batteries rather than one?Because the flow of electricity in the circuit is the same.Because the flow of electricity in the circuit is less.Because the flow of electricity in the circuit is greater60s
- Q6Why is electrical wiring usually made from copper?Because copper is magneticBecause copper is shinyBecause copper is a good conductor of electricity.60s
- Q7Why is electrical wiring usually covered with a layer of plastic or rubber?To make is safe to handle without getting electrocuted or shocked or causing a fire.To help electricity flow along the wire.To make it look pretty.60s
- Q8A material which is an electrical insulator does what?it allows heat to travel through it easily.It does not allow heat to travel through it easily.It does not allow electricity to pass through it easily.60s
- Q9A material which is an electrical conductor does what?It does not allow electricity to pass through it easilyIt allows electricity to pass though it easily.It allows heat to travel through it easily.60s
- Q10Which of these is NOT an electrical conductoraluminiumcopperrubbergold60s
- Q11Which of these is NOT a good electrical insulator?woodplasticsilverglass60s