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Cambridge International AS & A Level Physics (9702)

1. Physical quantities and units

4. Forces, density and pressure

5. Work, energy and power

6. Deformation of solids

8. Superposition

9.1 Electric current

9.2 Potential difference and power

9.3 Resistance and resistivity

9.3.1—Resistance

9.3.3—The I–V characteristics of a metallic conductor at constant temperature, a

9.3.4—That the resistance of a filament lamp increases

9.3.5—Ohm’s law

9.3.6—R = ρL / A

9.3.7—The resistance of a light-dependent resistor (LDR) decreases

9.3.8—The resistance of a thermistor decreases as the temperature increases (it

10. D.C. circuits

11. Particle physics

Practical assessment skills

Mathematical, data, formula and circuit-symbol skills

A-Level/CAIE/Physics//AS/Concept/9. Electricity/9.3 Resistance and resistivity/9.3.3—The I–V characteristics of a metallic conductor at constant temperature, a

9. Electricity

Syllabus: 9702–2028–2029
Section: 9
Level: AS

Exam analysis

Most tested topics

Electric current
Potential difference and power
Resistance and resistivity