Coulomb forces and vector addition
Calculate electrostatic forces and combine perpendicular or opposing contributions.
Loading personal best…Year 12 · SACE Stage 2
Electricity and magnetism
Practise electric and magnetic fields, charged-particle motion and induction.
Subtopics
Electric fields, superposition and conductors
Translate between field, force and field-line diagrams, including conductor shielding.
Loading personal best…Potential difference, energy and electronvolts
Relate voltage, electric potential energy and kinetic-energy gain.
Loading personal best…Acceleration parallel to an electric field
Combine electric force, constant acceleration and energy methods for particle beams.
Loading personal best…Transverse electric deflection
Use independent components to calculate a charged particle’s path through uniform plates.
Loading personal best…Magnetic field patterns and right-hand rules
Recognise fields around magnets, wires, current loops and solenoids.
Loading personal best…Fields of straight wires and superposition
Calculate inverse-distance magnetic fields and combine wire contributions.
Loading personal best…Magnetic forces on charges and currents
Calculate force magnitudes and determine directions for moving charges and conductors.
Loading personal best…Circular charged-particle paths and cyclotrons
Link magnetic bending, charge-to-mass ratio and repeated electric acceleration.
Loading personal best…Magnetic flux and Faraday’s law
Calculate flux and induced emf from rates of flux change.
Loading personal best…Lenz’s law, eddy currents and generators
Determine induced-current directions and connect flux change to alternating output.
Loading personal best…Transformers and power transmission
Use turn ratios and power balances to calculate voltage, current and line losses.
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