2012年3月1日星期四

Component Terms and Unit Definition

Component                                             Terms

Conductor                                                         Material forming path for the flow of current

Insulator                                                            Material that will not readily conduct electricity

Negative charge                                                                           Electron

Semi-conductor                                                 Materials that act as conductors or insulators
                                                                  depending on temperature,physical or electrical conditions. 

Positive charge                                                                             Proton

Electron current flow                                           The flow of current from negative to positive

Conventional current flow                                    The flow of current from positive to negative

Watts                                                                                 Practical power unit





Unit                                                     Definition


Volt                                                        Practical unit of electromotive force and potential difference

Amp                                                                                     Unit of current

Ohm                                                                                     Unit of resistance

Watt                                                                                 Practical unit of power

Farad                                                                                  Unit of capacitance

Hertz                                                                                     Unit of current

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