Electronics InformationCâu 87 / 120
Which material is the best conductor of electricity?
a.Rubber
b.Glass
c.Copper
d.Wood
Giải thích
Copper is an excellent conductor and is widely used in electrical wiring. Rubber, glass, and wood are insulators that resist the flow of current.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Electrical power in watts is calculated by multiplying voltage by:
- A component that allows current to flow in only one direction is a:
- The abbreviation AC stands for:
- A transformer is used to change the level of:
- If voltage is 12 volts and resistance is 4 ohms, what is the current?
- A material that strongly resists the flow of electric current is called a(n):
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