AQA A Level Physics复习笔记5.3.4 Potential Divider Circuits
Potential Divider Circuit When two resistors are connected in series, through Kirchhoff’s Second Law, the potential difference across the power source is divided between them Potential divid...
IB DP Maths: AA HL复习笔记1.6.1 Binomial Theorem
Binomial Theorem What is the Binomial Theorem? The binomial theorem (sometimes known as the binomial expansion) gives a method for expanding a two-term expression in a bracket raised to a power A b...
AQA A Level Physics复习笔记5.3.3 Electrical Energy & Power
Energy & Power In mechanics, power P is defined as the rate of doing work The potential difference is the work done per unit charge Current is the rate of flow of charge Therefore...
IB DP Maths: AA HL复习笔记 1.5.2 Proof by Contradiction
What is proof by contradiction? Proof by contradiction is a way of proving a result is true by showing that the negation can not be true It is done by: Assuming the negation (opposite) of the resul...
美国大学建筑学专业排名靠前的学校及申请要求！
建筑学是一门以学习如何设计建筑为主，同时学习相关基础技术课程的学科，是目前就业前景最好的专业之一。下面我们具体来介绍一下美国大学建筑学专业排名靠前的学校及申请要求！ 1. 美国建筑学学位设置 美国建筑硕...
AQA A Level Physics复习笔记5.3.2 Series & Parallel Circuits
Series & Parallel Circuits Current In a series circuit, the current is the same for all components In a parallel circuit, the current is split across the different branches (or junction)...
IB DP Maths: AA HL复习笔记1.5.1 Proof by Induction
What is proof by induction? Proof by induction is a way of proving a result is true for a set of integers by showing that if it is true for one integer then it is true for the next integer It can b...
AQA A Level Physics复习笔记5.3.1 Resistors in Series & Parallel
Resistors in Series & Parallel Resistors in Series When two or more components are connected in series: The combined resistance of the components is equal to the sum of individual resist...
AQA A Level Physics复习笔记5.2.4 Required Practical: Investigating Resistivity
Required Practical: Investigating Resistivity Aims of the Experiment The aim of the experiment is to determine the resistivity of a 2 metre constantan wire Variables: Independent variable = ...
AQA A Level Physics复习笔记5.2.3 Superconductivity
Superconductivity All materials have some resistivity - even good electrical conductors such as copper and silver Resistance means that when electricity flows through a material, it heats up...
IB DP Maths: AA HL复习笔记1.4.1 Proof
What is proof? Proof is a series of logical steps which show a result is true for all specified numbers ‘Seeing’ that a result works for a few numbers is not enough to show that it will work for al...
IB DP Maths: AA HL复习笔记1.3.5 Compound Interest & Depreciation
What is compound interest? Interest is a small percentage paid by a bank or company that is added on to an initial investment Interest can also refer to an amount paid on a loan or debt, however IB...
