All of ELECTRICITY in 15 mins - AS & A-level Physics

http://scienceshorts.net

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00:00 Electrical circuits - charge
01:03 Current & p.d./voltage (potential difference)
02:56 Ohm's law, resistance & superconductors
06:15 Resistivity
07:13 Series & parallel circuit - Kirchhoff's Laws
10:29 NTC Thermistor, LDR & potential divider circuits
11:25 Electrical power, AC/DC, RMS values
13:03 EMF & Internal Resistance
14:33 Number density & drift velocity

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