setTitle('The Transistor'); ?> setMetaDescription('Physics, Transistor, Semiconductor, Nobel, Prize, Laureate, Educational'); ?> printHeader(); ?>

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			The type of MOSFET we are looking at is called a n-channel transistor. If we change the doping of the source and drain from n to p, and the p-type substrate to n-type we have a p-channel transistor. This transistor functions in the same way, but with the polarities changed.

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