Electrodynamics (Grade 12 NSC Matric Physical Sciences): Flashcards
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Practise the cards
10 cards from this deck
Electromagnetic induction
Electromagnetic induction
Current generated when conductor moves through magnetic field
Conductor orientation for max current
Conductor orientation for max current
Perpendicular to magnetic field lines
Faraday's Law
Faraday's Law
EMF induced proportional to rate of change of magnetic flux
Generator function
Generator function
Converts mechanical energy to electrical energy
AC generator contact component
AC generator contact component
Slip rings
DC generator commutator function
DC generator commutator function
Ensures external current remains unidirectional
Electric motor function
Electric motor function
Converts electrical energy to mechanical energy
Lorentz force formula
Lorentz force formula
Right-hand rule: thumb direction
Right-hand rule: thumb direction
Direction of magnetic force (F)
Car alternator function
Car alternator function
AC generator that charges battery and powers electrical systems