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edexcel physics AS-1
quantities and units
Question | Answer |
---|---|
What is the definition of charge? | Q=Ixt |
What are the base units for pressure?(powers in brackets) | kgm(-1)s(-2) |
What is the derived unit for power? | watt [W] |
What is the definition of resistance? | R=V/I |
What is the derived unit for pressure? | pascal [Pa] |
The base units for force are: | kgms(-2) |
The definition for potential difference is? | V=W/Q |