Category Archives: Unit 3/4 Detailed Studies

Veritasium – Can Silence Actually Drive You Crazy?

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Unit 4 – Sound: Making music quiz

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Unit 4 – Sound intensity & decibels quiz

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Vsauce – Would Headlights Work at Light Speed?

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Rectification and smoothing

Explore the use of half and full rectifiers, changing capacitance and load. (View in full window) Downloads: Flash source file (.fla)  Flash (.swf) Mac application (.app) Windows Application (.exe)

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A dozen USB chargers in the lab….

Just when you thought that a charger is a charger – be careful what you plug into an expensive device. http://www.righto.com/2012/10/a-dozen-usb-chargers-in-lab-apple-is.html (This has a lot of relevance to students studying the Further Electronics detailed study

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Veritasium – Can You Go the Speed of Light?

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Amazing Resonance Experiment

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Capacitor charging

(View in full window) This animation shows the charge and discharge of a capacitor. You can see how the time taken depends on the resistance & capacitance of the circuit. Use the sliders to change the values of battery voltage, … Continue reading

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60% quieter?

Last week, the Federal and NSW governments announced that work would begin on building a second airport in Sydney. Sydney’s current airport has a night-time curfew due to noise concerns over populated areas, but one of the reasons for building … Continue reading

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