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10 questions from this quiz
Real batteries have internal resistance
Total potential difference when no current
Materials the battery is made from
Terminal voltage is less than EMF
ε=V+Ir\varepsilon = V + Irε=V+Ir
Terminal voltage decreases
Ic=εrI_c = \frac{\varepsilon}{r}Ic=rε
0.50 Ω0.50 \, \Omega0.50Ω
EMF of the battery
V=ε−IrV = \varepsilon - IrV=ε−Ir
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