The way I have done this with things such as heaters, window defrosters, etc. is to model the heating element as a resistor (or a set of resistors in different parallel and series combinations, based on the layout). The wire used in the electric blanket (the heating elements) should have a specific resistance per length; calculate the length of the different sections, and create a lumped resistive element of this total length.
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No. Answers without drawings.
It's very easy to draw an electric circuit in Microsoft Word. You just need to open up the graphics menu from the top, and you'll get access to the drawing tools for circuit drawing.
Because the components are much more detailed and difficult to draw in real life
No. I don't need one. Nor is it possible on WikiAnswers.
sirs if you could explain me detail about the staircase lighting ckt diagram & explain how does the switch function.