Edexcel IGCSE Physics 復習筆記 2.4.4 Uses & Dangers of Static Electricity Uses of Static Electricity Electrostatic charges are used in everyday situations such as photocopiers and inkjet...
Bearings What are bearings? Bearings?are a way of describing and using?directions?as?angles They are specifically defined for use in navigation because they give a precise?location?and/or?direction...
Sine Rule What is the sine rule? The sine rule allows us to find missing side lengths or angles in?non-right-angled triangles It states that for any triangle with angles?A, B?and?C Where a?is the s...
Edexcel IGCSE Physics 復習筆記 2.4.2 Core Practical: Investigating Charging by Friction Core Practical 3: Investigating Charging by Friction Aim of the Experiment The aim of this experiment ...
Edexcel IGCSE Physics 復習筆記 2.4.1 Conductors & Insulators Conductors & Insulators Conductors A?conductor?is a material that allows?charge?(usually electrons) to flow through it ea...
Edexcel IGCSE Physics 復習筆記 2.3.5 AC & DC AC & DC Direct Current A direct current (d.c.) is defined as A current that is steady, constantly flowing in the same direction in...
Pythagoras What is the Pythagorean theorem? Pythagoras’ theorem is a formula that works for?right-angled triangles?only It states that for any right-angled triangle, the?square of the hypotenuse is...
Volume of 3D Shapes What is volume? The volume of a 3D shape is a measure of how much 3D space it takes up A 3D shape is also called a?solid You need to be able to calculate the volume of a number ...
Edexcel IGCSE Physics 復習筆記 2.3.4 Electricity & Heat Electricity & Heat When electricity passes through a component, such as a resistor, some of the electrical energy is turned in...
