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Cambridge International AS & A Level Physics (9702)

1. Physical quantities and units

1.1 Physical quantities

1.3 Errors and uncertainties

1.4 Scalars and vectors

2.1 Equations of motion

3.1 Momentum and Newton’s laws of motion

3.2 Non-uniform motion

3.3 Linear momentum and its conservation

4. Forces, density and pressure

4.1 Turning effects of forces

4.2 Equilibrium of forces

4.3 Density and pressure

5. Work, energy and power

5.1 Energy conservation

5.2 Gravitational potential energy and kinetic energy

6. Deformation of solids

6.1 Stress and strain

6.2 Elastic and plastic behaviour

7.1 Progressive waves

7.2 Transverse and longitudinal waves

7.3 Doppler effect for sound waves

7.4 Electromagnetic spectrum

7.5 Polarisation

8. Superposition

8.1 Stationary waves

8.2 Diffraction

8.3 Interference

8.4 The diffraction grating

9.1 Electric current

9.2 Potential difference and power

9.3 Resistance and resistivity

10. D.C. circuits

10.1 Practical circuits

10.2 Kirchhoff’s laws

10.3 Potential dividers

11. Particle physics

11.1 Atoms, nuclei and radiation

11.2 Fundamental particles

Practical assessment skills

Paper 3 Advanced Practical Skills

Mathematical, data, formula and circuit-symbol skills

Mathematical requirements

Key quantities, symbols and units

Supplied data and formulae

Circuit symbols

Concept/A-Level CAIE Physics/AS/9. Electricity/9.2 Potential difference and power

9.2 Potential difference and power

Syllabus: 2028–2030
Topic: 9.2
Level: AS

What you’ll learn

3 learning objectives

Choose one objective for a focused lesson, or study the complete topic.

Study checklist9.2 Potential difference and power