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7 Cards in this Set
- Front
- Back
What happens when there is friction between Teo surfaces? |
The transfer of electrons |
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On an electric field what are the arrows ? |
They are perpendicular to the surface (evenly spread) The direction of the arrows would depend on the charge why |
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Why are copper wires less likely to give you an electric shock? |
Because there is no build up of charge (copper has low resistance) |
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If the forces are equal how does it affect the speed ? |
It will be a constant speed |
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How does the the resistance of a filament lamp change ? |
As the potential difference increase The temperature increases resistance increases |
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What does potential difference mean ? |
The difference of electrical potential between two points |
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What is potential difference also known as ? |
Voltage |