4.3.2 Series and parallel circuits
- Syllabus
- 0625–2026–2027
- Topic
- 4.3.2
- Level
- —
4.3.2.1—Current at every point in a series
- Know: the current at every point in a series circuit is the same
4.3.2.2—How to construct and use series and
- Know how to construct and use series and parallel circuits
4.3.2.3—Combined e.m.f. of several sources in
- Calculate the combined e.m.f. of several sources in series
4.3.2.4—Combined resistance of two or more
- Calculate the combined resistance of two or more resistors in series
4.3.2.5—That, for a parallel circuit, the
- State that, for a parallel circuit, the current from the source is larger than the current in each branch
4.3.2.6—Combined resistance of two resistors
- State: the combined resistance of two resistors in parallel is less than that of either resistor by itself
4.3.2.7—Advantages of connecting lamps in
- State the advantages of connecting lamps in parallel in a lighting circuit
4.3.2.8—Circuit rules: (a) current into a
- Recall/use circuit rules: (a) current into a junction equals current out (b) total p.d. across series components equals the sum of their p.d.s (c) p.d. across parallel branches is the same
4.3.2.9—The sum of the currents into a
- Explain that the sum of the currents into a junction is the same as the sum of the currents out of the junction
4.3.2.10—Combined resistance of two resistors
- Calculate the combined resistance of two resistors in parallel
Objective notes
10 learning objectivesConceptIGCSE Physics