Electricity- Yr 9
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Current, voltage, resistance, potential difference
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8 Terms
What is voltage?
The amount of energy each coulomb has, measured in volts
What is current?
The rate that charge flows around a circuit, measured in amps
What is resistance?
The slowing down of electrons/ current, measured in ohms
What is the equation that links charge, current and time?
Current= charge/ time
What is the equation that links voltage, charge and energy transferred?
Energy transferred= voltage X charge
What is the equation that links current, resistance and voltage?
Current= voltage/ resistance
What is the equation that links voltage, power and current?
Power= voltage X current
What is the equation that links current2 , resistance and power
Power= current2 X resistance
Note 
Flashcards (20)