Which of the listed pairs of materials make...

Question 1 / 205eccefa4bacbc34ba4d483ee

Question 1 of 205eccefa4bacbc34ba4d483ee

Which of the listed pairs of materials make the best insulators?

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Question 1 of 20

5eccefa4bacbc34ba4d483ee

Which of the listed pairs of materials make the best insulators?

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🔍 Key Concepts

• Difference between conductors, semiconductors, and insulators in basic electricity • How free electrons move (or don’t move) in metals versus non‑metals • Why vacuum and gases are often used around high‑voltage equipment

💭 Think About

• First, decide which listed materials are good conductors, which are semiconductors, and which are poor conductors of electricity • Ask yourself: in which pair do BOTH materials strongly resist the flow of electric current under normal conditions? • Think about practical examples: what kinds of materials are wrapped around wires or used between capacitor plates to prevent current flow?

✅ Before You Answer

• Eliminate any pair where either material is a metal, since metals are usually good conductors, not insulators • Eliminate any pair where the materials are commonly used as semiconductors in electronics (they conduct under certain conditions) • Focus on the pair where both materials are typically used to prevent current flow, especially in high‑voltage insulation or dielectric applications

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Question 1 of 20

Which of the listed pairs of materials make the best insulators?

copper and aluminum

glass and mica

dry air and a vacuum

doped silicon and germanium

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Question 1 / 205eccefa4bacbc34ba4d483ee

Question 1 of 205eccefa4bacbc34ba4d483ee

Which of the listed pairs of materials make the best insulators?

Back

Question 1 of 20

5eccefa4bacbc34ba4d483ee

Which of the listed pairs of materials make the best insulators?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed