What is a semiconductor describe the two main types of semiconductor nd contrast their conduction mechanism?
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a semiconductor is a conductor as well as insulator . a semiconductor at nearly 0K behaves as insulator.
there are two main types of semiconductors P type semi conductor and N type semiconductor
P type semiconductor is obtained by dopping an intrinsic semiconductor with elements of group 3 e.g boron and aluminium
while
N type semiconductor is obtained by dopping pure semiconductor with pentavalent impurity (elements of group three) e.g phosphorus .
there are two main types of semiconductors P type semi conductor and N type semiconductor
P type semiconductor is obtained by dopping an intrinsic semiconductor with elements of group 3 e.g boron and aluminium
while
N type semiconductor is obtained by dopping pure semiconductor with pentavalent impurity (elements of group three) e.g phosphorus .
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