Which substance is a good conductor of electricity? A. Glass B. Wood C. Metal D. Plastic 相关知识点: 试题来源: 解析 C。本题考查物质的导电性。Glass(玻璃)、Wood(木头)、Plastic(塑料)都是绝缘体,不导电;Metal(金属)是良好的导体。反馈 收藏 ...
Which of the following materials is a good conductor of electricity? A. glass B. rubber C. copper D. plastic 相关知识点: 试题来源: 解析 C。铜是良好的电导体。选项 A 玻璃、选项 B 橡胶和选项 D 塑料都是绝缘体。本题涉及物理知识点是导体和绝缘体,英语知识点是材料名称的表达。反馈 收藏 ...
Copper is a good conductor of electricity. Which of the following is not a good conductor? A. Silver B. Rubber C. Gold D. Aluminum 相关知识点: 试题来源: 解析 B。解析:在自然科学中,橡胶(rubber)是绝缘体,不是电的良导体。而银(silver)、金(gold)和铝(aluminum)都是良好的电导体。从英语...
Electricity can flow through conductors. Which of the following is a good conductor? A. plastic B. wood C. copper D. rubber 相关知识点: 试题来源: 解析 C。解析:电可以通过导体流动。铜是良好的导体。选项 A 塑料、选项 B 木头和选项 D 橡胶都是绝缘体。
试题来源: 解析 C。解析:在化学里,氯化钠(sodium chloride)是电解质,其水溶液能导电。而糖(sugar)和乙醇(ethanol)是非电解质,它们的水溶液不导电,油(oil)也不导电。这里“conductor”是导体的意思,“aqueous solution”表示水溶液,这些词汇准确描述了化学中的导电性质相关概念。
During a physics experiment on electricity, which of the following is a conductor? A. Plastic. B. Wood. C. Metal. D. Glass. 相关知识点: 试题来源: 解析 C。本题考查电学实验中的导体。金属是导体。A 选项塑料、B 选项木头、D 选项玻璃都是绝缘体。
Electricity can flow through conductors.Which of the following is a good conductor? A. Rubber. B. Wood. C. Metal. D. Glass. 相关知识点: 试题来源: 解析 C。本题考查导体的认识。橡胶、木头和玻璃都是绝缘体,金属是良好的导体。反馈 收藏 ...
“Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons). For a material to be a good conductor, the electricity passed through it must be able to move the electrons; the more free electrons in a metal, the greater its conductivity...
Which of the following is a good conductor of electricity? 01:08 Inert form of carbon is 01:15 Thermodynamically the most stable form of carbon is 01:39 Elements of group 14 03:39 The liquified metal expanding on solidification is : 01:08 Coal gas is a mixture of: 01:11 Which one of...
a我会配合好你的 I can coordinate you[translate] a放学后他经常打一小时篮球 After is on vacation from school he to play an hour basketball frequently[translate] ac; saltwater[translate] a. Which of these would be the best conductor of electricity? . 电最佳的指挥是哪些?[translate]...