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20. Phosphorous (valence 5) is added to high-purity silicon (valence 4 ) to give a concentration of 1023m3. What type of semiconductor this would become?

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20. Phosphorous (valence 5) is added to high-purity silicon (valence 4 ) to give a concentration of 1023m3. What type of semiconductor this would become? What will be the charge carrier here? Calculate the room temperature conductivity. Use the data given below. Conductivity in n-type and p-type semiconductors respectively nepere=1.61019C=0.14m2/Vsr=0.048m2/Vs

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