Edexcel IGCSE Physics 復(fù)習(xí)筆記 7.1.6 Detecting Radiation Detecting Radiation It is important to regulate the exposure of humans to radiation The amount of radiation received by a person is c...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 7.1.5 Decay Equations Decay Equations Radioactive decay events can be shown using a?decay equation A decay equation is similar to a chemical reaction equation ...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 7.1.4 Core Practical: Investigating Radiation Core Practical 13: Investigating Radiation Aim of the Experiment ?The aim of this experiment is to investigate th...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 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 復(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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(fù)習(xí)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  ...
