Circuits (AQA A-Level Physics): Flashcards

$R_T = R_1 + R_2 + R_3 + \dots$

$\frac{1}{R_T} = \frac{1}{R_1} + \frac{1}{R_2} + \dots$

$P = VI$

$E = VIt$

Current is the same throughout the circuit

Total p.d. is sum of p.d.s across each component

Total current is sum of currents through each branch

P.d. across each branch is the same

Current in = current out at junction (charge conserved)

Sum of e.m.f.s = sum of p.d.s in loop (energy conserved)