AQA A Level Physics复习笔记7.6.2 Parallel Plate Capacitor
Relative Permittivity & Dielectric Constant Permittivity is the measure of how easy it is to generate an electric field in a certain material The relativity permittivity εr is sometimes ...
IB DP Maths: AA HL复习笔记3.10.2 Applications to Kinematics
Kinematics using Vectors How are vectors related to kinematics? Vectors are often used in questions in the context of forces, acceleration or velocity If an object is moving in one dimension then i...
Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM
Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM The Mole The Mole Chemical amounts are measured in moles The symbol for the unit mole is mol One mole of a substance contains the...
IB DP Maths: AA HL复习笔记3.10.1 Vector Equations of Lines
Equation of a Line in Vector Form How do I find the vector equation of a line? The formula for finding the vector equation of a line is This is given in the formula booklet This equation can be use...
IB DP Maths: AA HL复习笔记3.9.5 Geometric Proof with Vectors
Geometrical Proof with Vectors How can vectors be used to prove geometrical properties? If two vectors can be shown to be parallel then this can be used to prove parallel lines If two vectors are s...
IB DP Maths: AA HL复习笔记3.9.4 The Scalar Product
The Scalar ('Dot') Product What is the scalar product? The scalar product (also known as the dot product) is one form in which two vectors can be combined together The result of taking the scalar p...
IB DP Maths: AA HL复习笔记3.9.3 Magnitude of a Vector
Magnitude of a Vector How do you find the magnitude of a vector? The magnitude of a vector tells us its size or length For a displacement vector it tells us the distance between the two points For ...
AQA A Level Physics复习笔记7.6.1 Capacitance
Capacitance Capacitors are electrical devices used to store energy in electronic circuits, commonly for a backup release of energy if the power fails They are in the form of two conductive m...
IB DP Maths: AA HL复习笔记3.9.2 Position & Displacement Vectors
Adding & Subtracting Vectors How are vectors added and subtracted numerically? To add or subtract vectors numerically simply add or subtract each of the corresponding components In column vecto...
