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Questions and Answers
Which material allows the flow of electric current?
Which material allows the flow of electric current?
- Rubber
- Wood
- Glass
- Copper (correct)
What property makes a material a good insulator?
What property makes a material a good insulator?
- Free movement of electrons
- Low resistance to electric current
- High resistance to electric current (correct)
- High electrical conductivity
Which material is a poor conductor of electricity?
Which material is a poor conductor of electricity?
- Silver
- Graphite
- Aluminum
- Plastic (correct)
Which of the following materials is a good conductor of electricity?
Which of the following materials is a good conductor of electricity?
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What is the primary characteristic of an insulator?
What is the primary characteristic of an insulator?
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Which of the following materials is commonly used as an insulator in electrical wires?
Which of the following materials is commonly used as an insulator in electrical wires?
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