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...
IB DP Maths: AA HL复习笔记1.3.4 Applications of Sequences & Series
Many real-life situations can be modelled using sequences and series, including but not limited to: patterns made when tiling floors; seating people around a table; the rate of change of a populati...
IB DP Maths: AA HL复习笔记1.3.3 Geometric Sequences & Series
What is a geometric sequence? In a geometric sequence, there is a common ratio, r, between consecutive terms in the sequence For example, 2, 6, 18, 54, 162, … is a sequence with the rule ‘start at ...
IB DP Maths: AA HL复习笔记1.3.2 Arithmetic Sequences & Series
What is an arithmetic sequence? In an arithmetic sequence, the difference between consecutive terms in the sequence is constant This constant difference is known as the common difference, d, of th...
2022深圳IB国际学校表现如何？
国际文凭大学预科课程（IBDP）放榜啦！ 据官网显示，全球共有173878名学生在2022年5月的考试中获得文凭课程（DP）和职业课程（CP）的成绩。全球共有640位考生获得满分45分，跟去年相比少了一半左右。 深圳部分热...
IB DP Maths: AA HL复习笔记1.3.1 Language of Sequences & Series
What is a sequence? A sequence is an ordered set of numbers with a rule for finding all of the numbers in the sequence For example 1, 3, 5, 7, 9, … is a sequence with the rule ‘start at one and add...
AQA A Level Physics复习笔记5.2.2 Resistance in a Thermistor
Temperature & Resistance All solids are made up of vibrating atoms The higher the temperature, the faster these atoms vibrate Electric current is the flow of free electrons in a m...
