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 ...
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...
AQA A Level Physics復習筆記4.7.6 Energy Conservation
Conservation of Energy in Deformation Loading and Unloading a Metal Wire When a metal wire is loaded with a force and stretched beyond its limit of proportionality, it will undergo?plastic d...
AQA A Level Physics復習筆記4.7.5 Elastic & Plastic Behaviour
Plastic Behaviour Materials can undergo two types of deformations: Elastic deformation When the load is removed, the object?will?return to its original shape This is shown in the elastic reg...
AQA A Level Physics復習筆記4.7.4 Elastic Strain Energy
Elastic Strain Energy Work has to be done to stretch a material Before a material reaches its?elastic limit?(whilst it obeys Hooke's Law), all the work is done is stored as?elastic strain energy Th...
AQA A Level Physics復習筆記4.7.3 Stress & Strain
Tensile Stress & Strain Opposite forces can deform an object If the forces?stretch?the object, then they are tensile forces Tensile forces lead to the two properties of materials known a...
AQA A Level Physics復習筆記4.7.2 Hooke's Law
Hooke's Law When a force?F?is added to the bottom of a vertical metal wire of length?L, the wire?stretches A material obeys Hooke’s Law if: The extension of the material is directly proporti...
A-level中文考試到底要不要考？
A-level中文考試到底要不要考？在英國，A-level Chinese（中文）成為越來越受歡迎的一個學科。而國內也是同樣，很多精力夠用的小伙伴，都會順便考一考A-level中文。 關于A-level 中文我們需要了解哪些？ 不是每個...
