2'') also from insulating plastic material, that completes and closes said chamber, provided with protrusions (19) or thrust means that provide, during the lid closing step, to push and insert ends (7) of cables and wires (8, 9) to be connected with the indentations (6) of the metal...
Some metals are better conductors of electricity than others ___ means that the former have atom that contain more free electron than the latter.( )A.thatB. thisC. whichD. it 相关知识点: 试题来源: 解析 答案:C 考查定语从句.句子之间需要连接词,因此空格处需填连接词.通过分析句子结构可知...
Somemetalsarebetterconductorsofelectricitythanothers___meansthattheformerhaveatomthatcontainmorefreeelectronthanthelatter.() A. that B. this C. which D. it 相关知识点: 试题来源: 解析 C 答案:C 考查定语从句.句子之间需要连接词,因此空格处需填连接词.通过分析句子结构可知,所填连接词指代前面整个句子,...
(a) Explain why(i) metals are good conductors of electricity.(ii) insulators do not conduct electricity.[3] 相关知识点: 试题来源: 解析 (a) mark (i) and (ii) together:mention of free electrons(current is) flow/movement of free electronsinsulators contain no free electrons / metals contain...
( ) are good conductors of electricity and heat, having lustrous appearance.A.metalsB
aYou will always be the first! 您总将是一个![translate] aSome metals are better conductors of electricity than others, which means that the former have atoms containing more free electrons than latter. 一些金属比其他是电更好的指挥, 哪些意味着前比后者有原子包含自由电子。[translate]...
Electrical wire is usually round in cross-section (although there are some unique exceptions to this rule), and comes in two basic varieties:solid and stranded.Solid copper wireis just as it sounds: a single, solid strand of copper the whole length of the wire.Stranded wireis composed of ...
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。
Tech and Engineering Electrical resistance and conductance Why are good conductors of heat also good conductors of electricity?Question:Why are good conductors of heat also good conductors of electricity?Types of Substances:There are different types of substances e.g. conductors, insulators, ...
结果1 题目 Some metals are better conductors of electricity than others ___ means that the former have atom that contain more free electron than the latter.A) thatB) thisC) whichD) it 相关知识点: 试题来源: 解析 C 反馈 收藏 ...