Edexcel IGCSE Physics 復習筆記 7.1.1 Atomic Structure
Edexcel IGCSE Physics 復習筆記 7.1.1 Atomic Structure Atomic Structure Atoms are the building blocks of?all matter They are incredibly small, with a radius of only 1 × 10-10?m This me...
Edexcel IGCSE Physics 復習筆記 7.1.2 Isotopes
Edexcel IGCSE Physics 復習筆記 7.1.2 Isotopes Isotopes Although the number of protons in a particular element is always the same, the number of?neutrons?can be different Isotopes?are atoms o...
Edexcel IGCSE Physics 復習筆記 6.2.4 Transformer Equations
Edexcel IGCSE Physics 復習筆記 6.2.4 Transformer Equations The Transformer Equation The?output potential difference?(voltage) of a transformer depends on: The?number of turns?on the primary ...
Edexcel IGCSE Physics 復習筆記 6.2.3 Transformers
Edexcel IGCSE Physics 復習筆記 6.2.3 Transformers Transformers A?transformer?is an electrical device that can be used to increase or decrease the?potential difference?of an?alternating curre...
Edexcel IGCSE Physics 復習筆記 6.2.2 Generators & Dynamos
Edexcel IGCSE Physics 復習筆記 6.2.2 Generators & Dynamos Generators & Dynamos The?generator effect?can be used to: Generate?a.c?in an?generator Generate?d.c?in a?dynamo  ...
Edexcel IGCSE Physics 復習筆記 6.2.1 Electromagnetic Induction
Edexcel IGCSE Physics 復習筆記 6.2.1 Electromagnetic Induction Electromagnetic Induction Electromagnetic (EM) induction is used to generate electricity EM induction is when: A voltage...
Edexcel IGCSE Physics 復習筆記 6.1.10 Magnetic Force on a Charge
Edexcel IGCSE Physics 復習筆記 6.1.10 Magnetic Force on a Charge Magnetic Force on a Charge When a current-carrying wire is placed in a magnetic field, it will experience a force if the wire...
Edexcel IGCSE Physics 復習筆記 6.1.9 Magnetic Field Patterns
Edexcel IGCSE Physics 復習筆記 6.1.9 Magnetic Field Patterns Magnetic Field Patterns Magnetic field line patterns are all slightly different around: Straight wires Flat circular coils Soleno...
Edexcel IGCSE Physics 復習筆記 6.1.8 Electromagnets
Edexcel IGCSE Physics 復習筆記 6.1.8 Electromagnets Electromagnets When an electric current flows in a wire it creates a?magnetic field?around the wire By winding the wire into a?coil?we can...
Edexcel IGCSE Physics 復習筆記 6.1.7 Fleming's Left-Hand Rule
Edexcel IGCSE Physics 復習筆記 6.1.7 Fleming's Left-Hand Rule Fleming's Left-Hand Rule The?direction?of the?force?(aka the?thrust) on a current carrying wire depends on the direction of the ...
IB DP Maths: AI HL復習筆記5.6.4 Approximate Solutions to Differential Equations
Euler’s Method: First Order What is Euler’s method? Euler’s method?is a numerical method for finding approximate solutions to differential equations It treats the derivatives in the equation as bei...
Edexcel IGCSE Physics 復習筆記 6.1.6 The Motor Effect
Edexcel IGCSE Physics 復習筆記 6.1.6 The Motor Effect Magnetic Force on a Current-Carrying Wire The?motor effect?occurs: When a wire with current flowing through it is placed in a magnetic field an...
