An electric current can be produced by ___. A. a magnet B. a battery C. a piece of wood D. a plastic cup 相关知识点: 试题来源: 解析 B。电流可以由电池产生。选项 A 磁铁不能产生电流;选项 C 一块木头和选项 D 一个塑料杯都是绝缘体,不能产生电流。本题涉及物理知识点是电流的产生,...
A magnetic field is produced by ___. A. an electric current B. a piece of paper C. a book D. a pen 相关知识点: 试题来源: 解析 A。磁场是由电流产生的。选项 B 一张纸、选项 C 一本书和选项 D 一支笔都不能产生磁场。本题涉及物理知识点是磁场的产生,英语知识点是物品名称的表达。反馈...
英翻汉“An electric current varies directly as the electromotive force and inversely as the resistance. ”的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效
aElectric current is the drift of electrons from an area of negative charge to an area of positive charge. Current is measured in Amperes (A). As previously mentioned the current in a circuit is directly related to voltage and inversely related to the resistance. 电流是电子漂泊从负电荷范围到...
Circuit for controlling the conductance of an electronic switch, in particular for an electric current is passed by means of a body for release a ignitionCOURIER DE MERE HENRI
1.A.考查上下文理解判断能力.根据前文"Electric shock accidents are caused by an electric current passing through the body."电击事故是由流经身体的电流引起的.可知填写"The effects from a shock can be anything from pain to instant death"休克的影响可以是从疼痛到瞬间死亡的任何事情.故选A. 2.C.考查...
the wire.[1(ii) The current in a wire may be measured using an instrument called。[1(iii) The potential difference across a wire may be measured by connecting.. across the wire.[1](b) A length of resistance wire is connected in a simple series circuit.The current in it is 0.8 A....
aOne of effective solutions to help eliminate haze is to make some chemistry changes during the manufacturing process,so it could reduce harmful emissions which are produced by manufacturing operations 在制造过程期间,帮助的其中一种有效的解答消灭阴霾是做一些化学变动,因此它可能减少是由制造过程导致的有害...
In order that an electric current can be produced in a conductor, an electric field must be built in it.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,
aHe is 181cm tall. He has smile like shiny. He is my study power. Jerry is good at English. He can speak the English very well. So I decide to learn the English better. 他是181cm高。 他有微笑象发光。 他是我的研究力量。 杰瑞在英语上是好。 他可以很好讲英语。 如此我决定更好学会英...