AQA A Level Physics復習筆記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...
AQA A Level Physics復習筆記5.2.1 Resistivity
Resistivity All materials have some?resistance?to the flow of charge As?free?electrons?move?through a metal wire, they collide with ions which get in their way As a result, they?transfer?som...
IB DP Maths: AA HL復習筆記1.2.3 Solving Exponential Equations
What are exponential equations? An exponential equation is an equation where the unknown is a power In simple cases the solution can be spotted without the use of a calculator For example, In more ...
AQA A Level Physics復習筆記5.1.2 Current–Voltage Characteristics
Ohm's Law Ohm’s law states: For a conductor at a constant temperature, the current through it is proportional to the potential difference across it Constant temperature implies constant resi...
八大藤校托福成績要求，托福100分離藤校還有多遠的距離？
提起美國的頂尖名校，大家第一個想起的應該就是常春藤盟校（Ivy League）了。說起藤校，那可是讓無數學生心馳神往的終極夢校！ 常春藤聯盟全部由美國一流名校組成、也是美國產生羅德學者最多的高校聯盟，那么常春...
AQA A Level Physics復習筆記5.1.1 Basics of Electricity
Electric Current & Potential Difference Electric Current Electric current is defined as?the rate of flow of positive charge?carriers It is measured in units of?amperes (A)?or?amps ...
IB DP Maths: AA HL復習筆記1.2.2 Laws of Logarithms
What are the laws of logarithms? Laws of logarithms allow you to simplify and manipulate expressions involving logarithms The laws of logarithms are equivalent to the?laws of indices These laws are...
AQA A Level Physics復習筆記4.8.2 Required Practical: The Young Modulus
Required Practical: The Young Modulus Aims of the Experiment The aim of the experiment is to measure the Young Modulus of a metal in the form of a wire This requires a clamped horizontal wir...
AQA A Level Physics復習筆記4.8.1 The Young Modulus
The Young Modulus The Young modulus is the measure of the ability of a material to withstand changes in length with an added load This gives information about the stiffness of a material Thi...
