In electric press, mica is used because it is _________ conductor of heat but/and __________ conductor of electricity?
Correct answer: C. good, bad
- A. bad, good
- B. bad, bad
- C. good, bad
- D. good, good
Explanation
Mica transfers heat from the heating element to the press surface while electrically insulating the user and metal parts. It is therefore treated here as a good thermal conductor and a poor electrical conductor.
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