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2. which of the following is the best thermal insulator?

a. rubber b. metals c. wood d. plastics

3. which of the following is a good electrical conductor?

a.copper b. rubber c. plastic d. wood

4. which of the following is a good electrical insulator?

a. aluminum b. copper c. bronze d. rubber
​

Sagot :

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Answer:

2.A.rubber

Plastic, rubber, wood, and ceramics are good insulators. These are often used to make kitchen utensils, such as saucepan handles, to stop heat from flowing up to burn the cook's hand. Plastic coating is also used to cover most electrical wires in appliances. Air is also a good insulator of heat.

3.A.copper

The most effective electrical conductors are: Silver. Gold. Copper.

4.B.copper

Explanation:

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✅Answer:✅

2. C

3. A

4. C

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