subjects · AQA · spec 8463
Physics
86 curated decks for AQA 8463, every card linked to the moment it was explained. Preview one below.
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GCSE Physics: Electric circuits
Current, potential difference, resistance and Ohm's law.
What is electric current?
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The rate of flow of electric charge around a circuit.
What unit is electric current measured in?
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Amperes (amps).
How is an ammeter connected in a circuit?
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In series, so that the same current flows through it as through the component being measured.
What is potential difference?
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The energy transferred per unit of charge between two points in a circuit.
How is a voltmeter connected in a circuit?
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In parallel across the component.
Resistance is measured in {ohms}.
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ohms
What is Ohm's law?
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V = I × R (potential difference equals current multiplied by resistance).
What happens to total resistance when components are connected in series?
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Their resistances add together to give a larger total resistance.
What happens to total resistance when more parallel branches are added to a circuit?
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The total resistance decreases because there are more paths for the current to take.
What is the same for all components in a series circuit?
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The current.
What does each component receive in a parallel circuit?
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The full potential difference of the supply.
practice preview — fresh every time
2 marks · foundation tier
A lamp has a charge flow of 81 C and a potential difference of 24 V. Work out the energy transferred. Give your answer in J.
show the answer
1944
E = Q × V = 81 × 24 = 1944 J.
2 marks · foundation tier
An object has a mass of 32 kg, a gravitational field strength of 9.8 N/kg and a height of 10 m. Work out the gravitational potential energy. Give your answer in J.
show the answer
3136
Ep = m × g × h = 32 × 9.8 × 10 = 3136 J.
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every section of 8463
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3Working scientifically
Scientific thinking, experimentation, evaluation and communication required throughout the course.
- WS1Development of scientific thinking
- WS2Experimental skills and strategies
- WS3Analysis and evaluation
- WS4Scientific vocabulary, quantities and units
4.1Energy
Energy accounting describes system changes, useful transfers and resource choices.
- 4.1.1Energy changes in a system, and the ways energy is stored before and after such changes
- GCSE Physics: Changes in energy12 cards
- GCSE Physics: Energy changes in systems10 cards
- GCSE Physics: Energy stores and systems12 cards
- GCSE Physics: Power11 cards
- 4.1.2Conservation and dissipation of energy
- 4.1.3National and global energy resources
- 4.1.1Energy changes in a system, and the ways energy is stored before and after such changes
4.2Electricity
Circuits transfer energy through moving charge; electrical fields also act between charges at rest.
- 4.2.1Current, potential difference and resistance
- 4.2.2Series and parallel circuits
- 4.2.3Domestic uses and safety
- 4.2.4Energy transfers
- 4.2.5Static electricity (physics only)
- GCSE Physics: Electric fields10 cards
- GCSE Physics: Static charge11 cards
4.3Particle model of matter
Particle arrangements and energy account for density, state changes and gas pressure.
- 4.3.1Changes of state and the particle model
- 4.3.2Internal energy and energy transfers
- 4.3.3Particle model and pressure
4.4Atomic structure
Atomic models and unstable nuclei explain radiation, its hazards and its applications.
- 4.4.1Atoms and isotopes
- 4.4.2Atoms and nuclear radiation
- 4.4.3Hazards and uses of radioactive emissions and of background radiation (physics only)
- 4.4.4Nuclear fission and fusion (physics only)
- GCSE Physics: Nuclear fission12 cards
- GCSE Physics: Nuclear fusion8 cards
4.5Forces
Forces change motion and shape; quantitative models describe interactions and transport safety.
- 4.5.1Forces and their interactions
- 4.5.2Work done and energy transfer
- 4.5.3Forces and elasticity
- 4.5.4Moments, levers and gears (physics only)
- 4.5.5Pressure and pressure differences in fluids (physics only)
- 4.5.6Forces and motion
- 4.5.7Momentum (HT only)
4.6Waves
Wave models describe energy transmission, imaging and electromagnetic interactions.
- 4.6.1Waves in air, fluids and solids
- 4.6.2Electromagnetic waves
- 4.6.3Black body radiation (physics only)
4.7Magnetism and electromagnetism
Magnetic fields connect electric currents, forces, motors and generators.
- 4.7.1Permanent and induced magnetism, magnetic forces and fields
- GCSE Physics: Magnetic fields12 cards
- GCSE Physics: Poles of a magnet9 cards
- 4.7.2The motor effect
- 4.7.3Induced potential, transformers and the National Grid (physics only) (HT only)
- 4.7.1Permanent and induced magnetism, magnetic forces and fields
4.8Space physics (physics only)
Gravity and nuclear fusion govern stars and orbits; astronomical observations inform cosmological models.
- 4.8.1Solar system; stability of orbital motions; satellites (physics only)
- 4.8.2Red-shift (physics only)
- GCSE Physics: Red-shift12 cards
4.9Key ideas
Models, fields and mathematical relationships connect physical explanations.
- 4.9-overviewKey ideas
7Mathematical requirements
The mathematical techniques explicitly required by this subject, with context-specific Higher extensions.
- MS1Arithmetic and numerical computation
- MS2Handling data
- MS3Algebra
- MS4Graphs
- MS5Geometry and trigonometry
8Practical assessment
Required apparatus techniques and the specified practical investigations.
- 8.1Use of apparatus and techniques
- 8.2Required practical activities
official past papers
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