What is intrinsic semiconductor, Physics

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A pure semiconductor is known as intrinsic semiconductor. It has thermally formed current carriers

(i)  They have four electrons in the outer part of orbit of atom and atoms are held as one by covalent bond

(ii) Free electrons and holes both are charge carriers and  (in C.B.)  (in V.B.)

(iii)The drift speed of electrons  is larger than that of holes.

 


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