Edexcel A Level Physics:复习笔记3.3 Ohm's Law
Defining Resistance Resistance Resistance is defined as the opposition to current It is further defined by Ohm's Law, which says that the resistance of a conductor is given by the ratio of p...
Edexcel A Level Physics:复习笔记3.2 Potential Difference
Potential Difference Potential Difference A cell makes one end of the circuit positive and the other negative This sets up a potential difference across the circuit This is sometimes known as the v...
Edexcel A Level Physics:复习笔记3.1 Electric Current
Electric Current Electric Current Electric current is defined as: The rate of flow of charge It is measured in units of amperes (A) or amps The charge, current and time are related by the equation:...
2022-2023AP考试报名启动，附9-12年级标化和AP备考时间轴
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2023AP美国历史考试时间公布，报名即将截止！
AP历史考试一般有AP美国史、AP世界史以及AP欧洲史，其中最受欢迎以及同学们的首选是AP美国史以及AP世界史。AP历史类的考试向来都让中国考生十分头疼，大量的阅读材料，无数需要记忆的知识点都让人望而却步。2023A...
UCL 2023入学ALevel、IB成绩要求！
英国名校众多，其中G5大学代表了英国最高研究和学术水平，因此，G5大学对申请者的成绩要求都是“没有最高只有更高”。今天就一起来看看UCL 2023入学ALevel、IB成绩要求！ UCL A-Level标准入学要求 是A*A*A-ABB。当...
2022年最不受欢迎的10大A-level科目排名！
A-Level（General Certificate of Education Advanced Level ），英国高中课程，是英国全民课程体系，是英国普通中等教育证书考试高级水平课程，也是英国学生的大学入学考试课程。 A-Level科目的受欢迎度在一定程...
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A-Level（General Certificate of Education Advanced Level ），英国高中课程，是英国全民课程体系，是英国普通中等教育证书考试高级水平课程，也是英国学生的大学入学考试课程。 A-Level科目的受欢迎度在一定程...
Edexcel A Level Physics:复习笔记2.22 Efficiency
Efficiency The efficiency of a system is a measure of how well energy is transferred in a system Efficiency is defined as: The ratio of the useful power or energy transfer output from a syst...
