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OCR - A
4. Electrons, waves and photons
4.1 Charge and current
- 4.1.1 Charge
- 4.1.2 Mean drif velocity
4.2 Energy, power and resistance
- 4.2.1 Circuit symbols
- 4.2.2 E.m.f. and p.d
- 4.2.3 Resistance
- 4.2.4 Resistvity
- 4.2.5 Power
4.3 Electrical circuits
- 4.3.1 Series and parallel circuits
- 4.3.2 Internal resistance
- 4.3.3 Potental dividers
4.4 Waves
- 4.4.1 Wave moton
- 4.4.2 Electromagnetc waves
- 4.4.3 Superpositon
- 4.4.4 Statonary waves
4.5 Quantum physics
- 4.5.1 Photons
- 4.5.2 The photoelectric efect
- 4.5.3 Wave–partcle duality