Which of the following substances is a good conductor of electricity in its aqueous solution? A. Sugar B. Ethanol C. Sodium chloride D. Oil 相关知识点: 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...
1) Copper is a good conductor of electricity. 铜是电的良导体。 2) Copper is a good conductor of heat. 铜是热的良导体。 3) copper is a good medium for conducting heat 铜是传热的良导体 4) Copper and aluminium are good conductors. ...
Water is a good conductor of electricity because ___. A. it is clear B. it is liquid C. it can carry electric current easily D. it is cold 相关知识点: 试题来源: 解析 C。中文解析:水是电的良导体是因为它能很容易地传导电流。A 选项“它是清澈的”,B 选项“它是液体”,D 选项“它是...
Which of the following materials is a good conductor of electricity? A. Glass B. Plastic C. Copper D. Rubber 相关知识点: 试题来源: 解析 C。本题考查导体和绝缘体。玻璃(Glass)、塑料(Plastic)、橡胶(Rubber)都是绝缘体,铜(Copper)是良好的导体。所以选 C。
What is an electrical conductor? What makes a material a good conductor of electricity? Know the types of conductor, properties and good conductor of electricity with examples by visiting BYJU'S.
Water is not only a good conductor of electricity but a good conductor of panic as well.( )A: 海水不仅导电好,还能传递恐慌。B: 海水不仅导电性很强,传递恐慌也很快。C: 海水能很好地传导电和恐慌。D: 海水不仅能导电,还能传递恐慌。 相关知识点: ...
百度试题 结果1 题目The element that is a good conductor of electricity is ___. A. oxygen B. sulfur C. copper D. nitrogen 相关知识点: 试题来源: 解析 C。铜是一种良好的电导体。氧气、硫和氮气通常不是良好的电导体。反馈 收藏
必应词典为您提供Metal-is-a-good-conductor-of-electricity的释义,网络释义: 金属是很好的导电体;金属是电的良导体;
Is a poor conductor of electricity? Materials that are poor conductors of electricity are called insulators. Some examples are wood, glass, plastics, non-metal elements that are polymers of hydrocarbons. ... So among the following options aluminum, silver and copper are metals and these are goo...
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 ...