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Which of the following materials would not be a good choice for insulating against electric shock?

wood
glass
thermoset
iron

User Joshuaaron
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2 Answers

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Iron; atoms are electrical conductors, basically it would have the opposite affect if used as insulation against electric shock
User Levengli
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Answer is: iron.

Iron has good electrical conductivity, because metallic bonds.

1. Metallic bond is a type of chemical bond.

2. Metallic bond is formed between electrons and positively charged metal ions.

3. Metallic radius is defined as one-half of the distance between the two adjacent metal ions.

4. Metallic bond increace electrical and thermal conductivity.

5. Metals conduct heat, because when free moving electrons gain energy (heat) they vibrate more quickly and can move around.

Thermoset materials are found in the insulation of many electric cables.

User Vuzun
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