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This achievement standard involves knowledge and understanding of phenomena, concepts, principles and/or relationships related to direct current (DC) circuits, capacitance, electromagnetic induction, alternating current (AC) circuits, and the use of appropriate methods to solve related problems.

DC Circuits and Capacitance

  • Internal resistance; simple application of Kirchhoff’s Laws
  • parallel plate capacitor; capacitance; dielectrics; series and parallel capacitors; charge/discharge characteristics of capacitors in DC RC circuits; voltage/time and current/time graphs for a capacitor; time constant; energy stored in a capacitor.

Electromagnetic Induction and AC Circuits

  • Magnetic flux; magnetic flux density; Faraday’s Law; Lenz’s Law; voltage/time and current/time graphs for an inductor; time constant; self inductance; the inductor; energy stored in an inductor
  • mutual inductance; the transformer
  • the comparison of the energy dissipation in a resistor carrying direct current and alternating current; peak and rms voltage and current; phase
  • phasors in AC; reactance and impedance and their frequency dependence in a series circuit; voltage and current and their phase relationship in LR and CR series circuits; resonance in LCR circuits.

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