Electricity · Science, chapter 11
Read the section map, ask questions about this chapter, run the concept animations, then take a quiz and see which sections to go back to.
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Sections of this chapter
Every anchor here is a citation target: a chip in an answer links straight to #section-<no>.
- §11.1ELECTRIC CURRENT AND CIRCUIT — book page 1
- §11.2ELECTRIC POTENTIAL AND POTENTIAL DIFFERENCE — book page 3
- §11.3CIRCUIT DIAGRAM — book page 4
- §11.4OHM’S LAW — book page 5
- §11.5FACTORS ON WHICH THE RESISTANCE OF A CONDUCTOR DEPENDS — book page 7
- §11.6RESISTANCE OF A SYSTEM OF RESISTORS — book page 11
- §11.6.1Resistors in Series — book page 12
- §11.6.2Resistors in Parallel — book page 15
- §11.7HEATING EFFECT OF ELECTRIC CURRENT — book page 18
- §11.7.1Practical Applications of Heating Effect of — book page 20
- §11.8ELECTRIC POWER — book page 21
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Questions this chapter's sections suggest
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Concept animations for this chapter
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Ohm’s law: current from voltage and resistance, and the V–I graph
conceptId: ohm-law
What to notice: current = V / R = 1.20 A, so doubling the voltage doubles the current and doubling the resistance halves it — the recorded points fall on a straight line through the origin whose slope is 1/R.
Try this: record readings at 2 V, 4 V and 6 V with R = 5 Ω, then set R = 10 Ω and record again — the second set of points lies on a shallower line. Model note: the resistor is treated as ohmic at every voltage; battery internal resistance, wire resistance and any heating of the resistor are not modelled.
live values — V: 6.0 V, R: 5.0 Ω, I: 1.200 A, P: 7.20 W, readings: 0
10 further animations in the registries belong to other chapters.
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