Physics (B) J259,04 Higher November 2021 , OCR GCSE Past Papers with Mark Schemes

1. Electricity & Energy Transfer | Definition of power, energy transfer in electric vehicles, efficiency and energy wastage, battery charging calculations, and experimental investigation of power consumption.

2. Forces & Motion | Rocket lift-off force and acceleration analysis, application of Newton′s second law, and weight-force relationships under gravitational field strength.

3. Circuits & Resistance | Investigation of thermistor behavior with temperature changes, I-V characteristics, resistance calculation using Ohm’s law, and circuit diagram completion.

4. Electromagnetism & Transformers | Charging of electric toothbrushes via induction, transformer turn ratio calculations, and current analysis in primary and secondary coils.

5. Heat & Density | Specific heat capacity of materials, phase change analysis using particle model, density changes with temperature, and volume measurement of irregular objects.

6. Pressure & Gas Laws | Relationship between gas volume and pressure, investigation methods for gas behavior under water, and atmospheric pressure comparison with liquids.

7. Kinematics & Stopping Distance | Vehicle deceleration analysis, force calculations using momentum, braking distance evaluation, and kinetic energy relationships in motion.

8. Astrophysics & Big Bang Evidence | Interpretation of Hubble’s Law, recession velocity of galaxies, advancements in telescope technology, and confidence in cosmological models.

9. Generators & Induced Current | AC generator function, slip ring commutator effects, induced potential difference changes, and microphone current generation from sound waves.