Why is mica a non metal but still is used as an electric iron ?
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mica is a non metal but used as an electronic iron because it is a metal with good absorption of heat and control the heat that it can't be over heated.
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1. Mica is a bad conductor of electricity and good conductor of heat.
2. In an electric iron, the coil of high resistance is kept between mica sheets so that there is no electrical contact between the coil and the heavy metal block of the iron through there is heat transfer.
This protects the user from getting an electric shock.
Hope it helps!
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