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swapna
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Electronics refers to the flow of charge (electron) through non-metal
conductors (often called semi-conductors), where as electrical refers
to the flow of charge through metal conductors. For example, flow of
charge through silicon which is not a metal would come under
electronics whereas flow of charge through copper which is a metal
would come under electrical. This distinction started around 1908 with
the invention by Lee De Forest of the valve (triode). Until 1950 this
field was called "Radio technics" because its principal application
was the design and theory of radio transmitters and receivers.
http://electronicstopics.blogspot.com/2008/10/electronics.html
conductors (often called semi-conductors), where as electrical refers
to the flow of charge through metal conductors. For example, flow of
charge through silicon which is not a metal would come under
electronics whereas flow of charge through copper which is a metal
would come under electrical. This distinction started around 1908 with
the invention by Lee De Forest of the valve (triode). Until 1950 this
field was called "Radio technics" because its principal application
was the design and theory of radio transmitters and receivers.
http://electronicstopics.blogspot.com/2008/10/electronics.html