AQA
3.7 Fields
Fields are one of the great underlying ideas in physics. This topic looks at gravitational, electric and magnetic field and builds on previous topics you will already have covered earlier in the course.
Learning Checklist
3.7.1 Fields
Fields
1
Regions exerting force
3.7.2 Gravitational Fields
Gravitational Fields
3
Force due to mass
Deriving Kepler's Third Law
1
A derivation you must remember
Energy of a Satellite
1
Orbiting body energy
Gravitational Potential
2
Energy and potential
Satelites
1
Types of artificial satellites
Escape Velocity
1
Velocity to escape gravity
3.7.3 Electric Fields
Electric Fields
5
Forces on charged objects
Particles in Electric Fields
1
Charged particle behaviour
Electric Potential
1
Potential and energy difference
3.7.4 Capacitance
Parallel Plate Capacitors
1
Parallel plate capacitors and the permittivity of free space
Exponential Decay
3
Deriving decay functions
Capacitors
6
Capacitor principles
3.7.5 Magnetic Fields
Magnetic Fields
2
Around various objects
Particles in Magnetic Fields
2
Charged particle behaviour
Motors
1
How electric motors work
Generators
1
Alternating current generation
Transformers
2
Voltage step-up or step-down
Fleming's Left Hand Rule
2
Key for electromagnetism
Deriving the Radius of a Charged Particle
1
Path in a magnetic field
Electromagnetic Induction
2
Induction and magnetic flux
Root Mean Square
1
Used in AC circuits
Mass Spectrometer
1
Fields in spectrometry