Question 1026 of 731 · Texas Journeyman Electrician Exam
A material that offers very high resistance to current flow, such as glass or rubber, is called:
Exactly one answer is correct.
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Correct answer to question 1026
- D: An insulator
Explanation
Insulators have very few free electrons and therefore a very high resistance. They are used to separate and protect energized conductors.
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