5. Mica is used in electrical appliances such as electric iron because mica is A.a good conductor of heat but a bad conductor of electricity B.a bad conductor of heat but a good conductor of electricity C.a good conductor of heat as well as electricity D.a bad conductor of heat as well as electricity
Solution: Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat but a bad conductor of electricity.
