Bangalore University 2007 Diploma Instrumentation

Second Semester Diploma (Annual) Examination, 2007

E & C BOARD

SEMICONDUCTOR DEVICES

Time :
3 Hours    Max. Marks : 100

Note   
1.    ques. No.1 of part - I is compulsory

         
2.    ans any 6 full ques. choosing 2 ques. every
from parts - II, III, and IV.

part - I

1.    (a)    Fill in
the blanks with improper word / words.

              
(i)    When small amount of ................... impurity is added
to pure semiconductor

                     
N-type semiconductors are formed.

              
(ii)   The application of proper de voltages to the transistor for its
operation is called

                     
................. .

             
(iii)    A FET operates on ................. carrier only.