Dangers of Mains Electricity (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
10 cards from this deck
What happens when you touch a live wire?
What happens when you touch a live wire?
Large potential difference across your body
What does potential difference across your body cause?
What does potential difference across your body cause?
Current flows through you
What does current through your body cause?
What does current through your body cause?
Electric shock
Possible consequences of an electric shock
Possible consequences of an electric shock
Injury or death
Is the live wire safe when appliance is switched off?
Is the live wire safe when appliance is switched off?
No - still has potential difference
Can you get shocked when appliance is off?
Can you get shocked when appliance is off?
Yes, still possible
What forms when live wire touches Earth wire?
What forms when live wire touches Earth wire?
Low resistance path to Earth
What flows through the low resistance path?
What flows through the low resistance path?
Very large current
Where does current flow when wires touch?
Where does current flow when wires touch?
To Earth
What can very large current cause?
What can very large current cause?
Fires