Change in ICBO
Change in VCC
Change in the values of circuit resistance
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionWhen the temperature changes, the operating point is shifted due to .
Transistors
12. A transistor is a ___________ operated device
current
voltage
both voltage and current
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionA transistor is a ___________ operated device
13. A heat sink is generally used with a transistor to ___________
increase the forward current
decrease the forward current
compensate for excessive doping
prevent excessive temperature rise
Answer is Right!
Answer is Wrong!
Detailed SolutionA heat sink is generally used with a transistor to ___________
14. BC 147 transistor indicates that it is made of ___________
germanium
silicon
carbon
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionBC 147 transistor indicates that it is made of ___________
15. The value of VBE ___________
Depends upon IC to moderate extent
Is almost independent of IC
Is strongly dependant on IC
None of the above
Answer is Right!
Answer is Wrong!
16. The leakage current in a silicon transistor is about ___________ the leakage current in a germanium transistor
One hundredth
One tenth
One thousandth
One millionth
Answer is Right!
Answer is Wrong!
17. At parallel resonance, the line current is ___________
Minimum
Maximum
Quite large
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionAt parallel resonance, the line current is ___________
18. Tuned class C amplifiers are used for RF signals of ___________
Low power
High power
Very high power
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionTuned class C amplifiers are used for RF signals of ___________
19. The current IB is ___________
electron current
hole current
donor ion current
acceptor ion current
Answer is Right!
Answer is Wrong!
20. The operating point ___________ on the a.c. load line
Also line
Does not lie
May or may not lie
Data insufficient
Answer is Right!
Answer is Wrong!
Detailed SolutionThe operating point ___________ on the a.c. load line