Tag Archives: Electricity

Photonicinduction – 10 second kettle

Photonicinduction and Polar again take control of the power supply but this time test an Electric Kettle to it’s limits and beyond, the speed and power is surprising.

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Magnetic Field of a Straight Current-Carrying Wire

http://www.walter-fendt.de/html5/phen/magneticfieldwire_en.htm

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The Pain of Electricity (AC versus DC)

Don’t try this at home.  

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Resistors quiz

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Electricity definitions quiz

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Electric circuits quiz

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Electric power quiz

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Are Expensive Batteries Worth the Extra Cost?

A very thorough analysis of the power vs cost relationship for common batteries. http://www.wired.com/2012/01/are-expensive-batteries-worth-the-extra-cost/

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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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BBC Discovery Power Transmission

As power generation becomes increasingly mixed and demand increases, what does the grid of the future look like? http://www.bbc.co.uk/programmes/p0268cd5

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