5- Electric Currents Flashcards
1
Q
Ampere
A
Force per unit length between parallel current-carrying conductors
2
Q
Emf (equation)
A
ε = IR + Ir
3
Q
Voltage (equation)
A
V=J/C
4
Q
Internal resistance
A
Power loss = I^2r, where r = internal resistance
5
Q
Current (definition)
A
The rate of flow of charge
6
Q
Current (equation)
A
I = ∆q/∆t
7
Q
Emf (definition)
A
Total energy dissipated per unit charge around a circuit
8
Q
Ohm’s law
A
V is proportional to I (If temperature is constant)
