Electric Circuits Definitions Flashcards
1
Q
potential difference
A
the work done per unit positive charge
2
Q
current
A
the rate of flow of charge
3
Q
Ohm’s law
A
Current through a conductor is directly proportional to the potential difference across the conductor at constant temperature
4
Q
resistance
A
a material’s opposition to the flow of electric current
5
Q
Kilowatt hour (kWh)
A
unit of energy; 1 kwH is the amount of energy used when 1 kilowatt of electricity is used for 1 hour
6
Q
emf
A
the total energy supplied per coulomb of charge by the cell
