Determine the number density of donor atoms which have to be added to an intrinsic germanium sem...

Channel:
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=1e6lOkbcdcw



Duration: 6:40
179 views
3


Determine the number density of donor atoms which have to be added to an intrinsic germanium semiconductor to produce an \( n \)-type semiconductor of conductivity \( 5 \Omega^{-1} \mathrm{~cm}^{-1} \), given that the mobility of electron in \( n \)-type germanium is \( 3900 \mathrm{~cm}^{2} \mathrm{~V}^{-1} \mathrm{~s}^{-1} \). Neglect the contribution of holes to conductivity. [Ans. \( 8 \cdot 012 \times 10^{15} \mathrm{~cm}^{-3} \) ]
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2022-11-16If \( \alpha \) and \( \beta \) are different complex numbers with \( |\beta|=1 \), then \( \lef...
2022-11-16A magnetic needle lying parallel to a magnetic field requires \( W \) units of work to turn it t...
2022-11-16A viscous fluid is flowing through two horizontal pipes. The pressure difference \( P_{2}-P_{1} ...
2022-11-16A diploid cell contains four chromosomes \( (2 n=4) \). If this cell divides by mitosis and ther...
2022-11-16Assertion (A): The minimum frequency of radiations to show photoelectric effect depends upon the...
2022-11-16A number of droplets, each of radius \( r \), combine to form a drop of radius \( R \). If \( T ...
2022-11-16Which one is endangered species? (A) Cuscuta (B) Acacia nilotica (C) Nepenthes (D) both (b) and (c)
2022-11-16Show that if \( f(x+i y)=u+i v \) the curves \[ \left.\begin{array}{l} u=a \\ v=b \end{array}\ri...
2022-11-16the life cycle of Aurelia and Obelia. Point out 5 major differences between the two.
2022-11-16A gas consisting of rigid diatomic molecules was expanded in a polytropic process so that the ra...
2022-11-16Determine the number density of donor atoms which have to be added to an intrinsic germanium sem...
2022-11-16If \( a, b, c \) are in A.P. \( p, q, r \) are in H.P. and \( a p, b q, c r \) are in G.P., then...
2022-11-16Write short notes on the following : Various forms of coal
2022-11-16The answer to each of the following questions is a singlt digit integer, ranging from 0 to 9. H...
2022-11-16Two half cells are \( \mathrm{Al}^{3+}(a q) / \mathrm{Al}^{2} \) and \( \mathrm{Mg}^{2+}(a q) / ...
2022-11-16A loop of \( 6.28 \mathrm{~cm} \) long thread is put gently on a soap film in a wire loop. The f...
2022-11-16क्या विद्यालयों में यौन शिक्षा आवश्यक है? यदि हाँ तो क्यों?
2022-11-16Name the excretory organs of crustaceans.
2022-11-16Find \( \frac{d y}{d x} \), if \[ \frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1 \]
2022-11-16Which is not true for Ascaris infection? (A) More common in children (B) Does not produce tonsil...
2022-11-16हाइड्रोजन परमाणु का आयनन विभव \( 13.6 \) वोल्ट है। ज्ञात कीजिये- रिडबर्ग नियतांक