Which of the following is the best conductor of electricity?
A. Graphite
B. China clay
C. Porcelain
D. Ceramics
Answer: A
Which of the following is the best conductor of electricity?
A. Graphite
B. China clay
C. Porcelain
D. Ceramics
Answer: A
A. Graphite
B. China clay
C. Porcelain
D. Ceramics
Answer: A
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