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20. Of these four materials used as a dielectric, which is the best insulator? a. Pure water C. Glass b. Petroleum d. Air
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20. Of these four materials used as a dielectric, which is the best insulator?

a. Pure water
C. Glass
b. Petroleum
d. Air

User JVK
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1 Answer

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Answer:d

Step-by-step explanation:

User Dpyro
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