ZIMSEC O Level Combined Science Notes: Conductors and insulators
- A conductor is a material that allows electrons to move from one atom to another
- Conductors/Conducting materials cannot be charged unless they are held using an insulating material to prevent them from losing their charge
- Insulators are materials in which electrons are held firmly in their atoms
- An insulating material ca be charged using friction
- This is because the charge produced cannot be lost when the charge moves from its original site/material
- A charge is earthed when it flows through a conducting material into the ground
- A human body is capable of earthing a charge
- It can allow a charge to flow through it into the earth
- Examples of conductors are metals
- An example of an insulator is plastic/polythene
To access more topics go to the Combined Science Notes page.
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