Edexcel IGCSE Physics 复习笔记 7.1.3 Types of Radiation
Edexcel IGCSE Physics 复习笔记 7.1.3 Types of Radiation Types of Radiation Unstable Nuclei and Radiation Some atomic nuclei are unstable This is because of an imbalance in the forces within ...
Edexcel IGCSE Physics 复习笔记 7.1.1 Atomic Structure
Edexcel IGCSE Physics 复习笔记 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 复习笔记 7.1.2 Isotopes
Edexcel IGCSE Physics 复习笔记 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 复习笔记 6.2.4 Transformer Equations
Edexcel IGCSE Physics 复习笔记 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 复习笔记 6.2.3 Transformers
Edexcel IGCSE Physics 复习笔记 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 复习笔记 6.2.2 Generators & Dynamos
Edexcel IGCSE Physics 复习笔记 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 复习笔记 6.2.1 Electromagnetic Induction
Edexcel IGCSE Physics 复习笔记 6.2.1 Electromagnetic Induction Electromagnetic Induction Electromagnetic (EM) induction is used to generate electricity EM induction is when: A voltage...
Edexcel IGCSE Physics 复习笔记 6.1.10 Magnetic Force on a Charge
Edexcel IGCSE Physics 复习笔记 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 复习笔记 6.1.9 Magnetic Field Patterns
Edexcel IGCSE Physics 复习笔记 6.1.9 Magnetic Field Patterns Magnetic Field Patterns Magnetic field line patterns are all slightly different around: Straight wires Flat circular coils Soleno...
