by Doubly Ugly on January 6th, 2009
Free charge carriers in a conductor, e.g. outer shell electrons in metals, or ions in solution. These can move in any direction when an electric field is applied. Semi-conductors are more complicated substances where their structure and geometries mean certain conditions need to be met before charge carriers are allowed to move. A diode is a junction of two types of semiconductor, which only allow electrons to flow in one direction. A transistor is a sandwich of two pieces of one type and a single piece of the other type. It allows current to be switched on and off by another voltage source. etc. etc.
My 42 in Magnovox lcd tv has an 8x3 in dark section in the center of the screen. How do I get it out?
by Anonymous on January 27th, 2010
| 1 person likes this
The power chord to my xbox 360 blocks the port for the UMDI cable? Why is this and how do I fix it?
by tromboneplayer9 on January 25th, 2010
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Need recomendation for purchasing Radar Detector for my car.
by Stephen on January 26th, 2010
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a ipod nano always only shows up a apple sign then a white light flashes then turns off and it repeats the same doing what do i need to do
by demito on January 26th, 2010
| 1 person likes this
Can police track a stolen iPhone or normal mobile phone using the phone GPS function? How do they find it?
by NiCkIzBacK on January 27th, 2010
| 1 person likes this
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