1
Q
Current
A
Rate of flow of charge (Q, Coulomb)
2
Q
Potential Different ( voltage)
A
Energy transferred (work done) per unit charge
3
Q
Resistance ( Ohms)
A
Opposes the flow of charge
4
Q
Ohms law
A
Current through component at constant temperature is directly proportional to the p.d across it.
P4 Physics Electric Circuits
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