Physics 0625 · Electricity and magnetism
Series and parallel circuits
Original revision summary · Syllabus edition awaiting review · Cambridge alignment awaiting review
Key idea 1
Series: the current is the same everywhere; the supply p.d. is shared between components; total resistance R = R₁ + R₂.
Knowledge check · unscored
2 Ω and 3 Ω resistors are connected in series. What is the total resistance?
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