Physics › Section M · Electric charge and field › Topic M.1
Static electricity and conservation of charge
A crackle as you pull off a jumper, a shock from a door handle, a balloon that sticks to the wall: all are static electricity. Behind them is electric charge, a property of matter that comes in fixed-size pieces and can never be created or destroyed.
In this topic
- Everyday static electricity
- Two kinds of charge
- Where charge comes from
- The elementary charge and the coulomb
- Charge is quantised
- Worked example: a balloon rubbed on hair
- Charging by rubbing
- Conservation of charge
- Worked example: passing charge along
- Common mistakes to avoid
- Key takeaways
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