91526 Electrical Systems - Home Use
91526 Electrical Systems - Home Use
LearnWell Digital
This version of the resource is for home use. Students work independently through the resource. If you are a teacher, you should purchase the school use version.
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What you'll learn
This course covers the things you'll need to know and be able to do for Achievement Standard, 91526 (Physics 3.6) Demonstrate understanding of electrical systems.
In it you'll find out about:
- Internal resistance
- Simple application of Kirchoff's laws
- Parallel‚ plate capacitors, capacitance; dielectrics; series and parallel capacitors; charge-time, voltage-time and current-time graphs for a capacitor; time constant; energy stored in a‚ capacitor
- Magnetic flux, magnetic flux density, Faraday's law, Lenz's law, the inductor; voltage-time and‚ current-time graphs for an inductor, time constant, self-inductance, energy stored in‚ an inductor, the transformer
- The comparison‚ of the energy dissipation in a resistor carrying direct current and alternating current; peak and (rms) voltage and current
- Phasor diagrams; reactance and impedance and‚ their frequency dependence in a series circuit, voltage and current and their phase‚ relationship in LR and CR circuits, resonance in LCR circuits.
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