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Homework One - Electronics - Solution Key | ECE 2204, Study notes of Basic Electronics

Virginia Polytechnic Institute and State University (Virginia Tech)Basic Electronics

Homework one Material Type: Notes; Class: Electronics; Subject: Electrical & Computer Engineer; University: Virginia Polytechnic Institute And State University; Term: Fall 2007;

Typology: Study notes

Pre 2010

Uploaded on 10/18/2008

lilbratkelly7
lilbratkelly7 🇺🇸

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  • Solutions #
Solutions #1 =5x10" em™ = n-type => py =4.5x10 cm” b. N, =5<10" em? > n-type a, =N, =5*10" cm™ f -14 | n, =(2.10«10" )(300) &*P| Saex10 G00 | =(2.10«10"}(300)" (1.6510) =1.80%10° em™ ne (18108) => P= 648x107 em™ ~ 5x108 1.8 (a) nm, =5x 10° em™ ap _(15xa0")’ & on = + = = p, = 45x10" cm” Po Ty 3x105 Po (b) 1, > p, => n-type (c) a, =N,=5™10" cm™ 1.12 1 Ne 1 1 p= eu,N, * egt,p (1.6x107)(480)(0.80) N, =1.63«10" cm™