Answer to Question #274839 in Electrical Engineering for MD HUMAYAN KABIR

Question

(5) Compared to a PN junction with NA = ND = 1014 cm-3, which one of the following 

statements is TRUE for a PN junction with NA = ND = 1020 cm-3? ( ).

A. Reverse breakdown voltage is lower and depletion capacitance is lower 

B. Reverse breakdown voltage is higher and depletion capacitance is lower 

C. Reverse breakdown voltage is lower and depletion capacitance is higher 

D. Reverse breakdown voltage is higher and depletion capacitance is higher 

(6) Gold is often diffused into silicon PN junction devices to ( ). 

A. increase recombination rate B. reduce recombination rate 

C. make silicon a direct gap semiconductor D. make silicon semimetal

Answer 1

Answer:

5) C. Reverse breakdown voltage is lower and depletion capacitance is higher 

6) B. reduce recombination rate