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Cambridge International AS & A Level Physics (9702)
1. Physical quantities and units
2. Kinematics
3. Dynamics
4. Forces, density and pressure
5. Work, energy and power
6. Deformation of solids
7. Waves
8. Superposition
9. Electricity
9.1 Electric current
9.2 Potential difference and power
9.3 Resistance and resistivity
9.3.1—Resistance
9.3.2—V = IR
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/Question Bank/9. Electricity/9.3 Resistance and resistivity/CAIE A-Level Physics AS 9.3.1 Resistance Questions

CAIE A-Level Physics AS 9.3.1 Resistance Questions

Define resistance as the ratio of potential difference to current.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Define resistance as the ratio of potential difference to current.

CAIE A-Level Physics AS 9.3.1 Resistance Questions question 1

[Maximum number: 1]

Define the ohm.

(the ohm is) volt / ampere

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