Electric Fields & Static Electricity (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
📚Flashcards
Practise the cards
13 cards from this deck
ShowHide
Practise the cards
13 cards from this deck
Cause of static electricity
Cause of static electricity
Build-up of electric charges that are not free to move
Effect of rubbing two insulators together
Effect of rubbing two insulators together
Electrons move from one material to the other
Particles that move to create static charge
Particles that move to create static charge
Electrons
Charge of material that loses electrons
Charge of material that loses electrons
Positively charged
Charge of material that gains electrons
Charge of material that gains electrons
Negatively charged
How opposite charges interact
How opposite charges interact
Attract each other
How like charges interact
How like charges interact
Repel each other
Earth's potential difference
Earth's potential difference
What causes a spark
What causes a spark
Electrons jumping across a gap when potential difference is high enough
Example of a large spark in nature
Example of a large spark in nature
Lightning
What generates electric fields
What generates electric fields
Electrically charged objects
Direction of electric field lines
Direction of electric field lines
From positive to negative charges
What ionisation means in sparking context
What ionisation means in sparking context
Stripping electrons from air molecules