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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 10
36.
In a specimen of n type semiconductor, the initial concentration of holes and electrons is pno and nno. When the specimen is subjected to radiation, the hole and electron concentration increase to pn and nn. Then
pn - pno = nn - nno
pn + pno = nn + nno
pn - pno = nno + nno
pn + pno = nn - pno
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Which of the following diode is designed to operate in the breakdown region?
Signal diode
Power diode
Zener diode
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Fill in the suitable word in the blanks is the following questions. The electron in the outermost orbit is called __________ electron.
valence
covalent
acceptor
donor
Answer: Option
Explanation:
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39.
A silicon diode is forward biased and total applied voltage is 5 V. The voltage across p-n junction is
5 V
Slightly less than 5 V
0.7 V
0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
In a triode
grid is nearer to cathode than anode
grid is nearer to anode than cathode
grid is equidistant from anode and cathode
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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