People power. If you think that someone is
(a) got too much attitude, and (b) too little real sense
then handing them a set of skills they aren't fit to use is likely to land you on a charge of something or other.
Blame the way the system is. Dorks Rule OK.
Smart people have learnt that nobody likes a smartass, so are content to simply charge the limit for competence, it being a rare and expesnive commodity.
electrons that declared:
You set up the Battery, lightbulb and wire such that they make a complete circuit and the bulb lights. Then you break the circuit and attach one end of it to the centre pin on the socket and then attach the other end of it to one of the wires coming out of the socket. If the bulb lights, then you have found the wire you should connect to
+ve. if it doesn't then move onto the other wire, if the bulb lights, this is the one.. It also allows you to check for shorts (in this case the bulb would light whichever wire was connected. Also if neither light, then neither wire connects and the socket/wire assembly is dud.HTH
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