In this section of Electronic Devices and Circuits.It contain Small Signal,Single Stage Transistor Amplifier MCQs (Multiple Choice Questions Answers).All the MCQs (Multiple Choice Question Answers) requires in depth reading of Electronic Devices and Circuits Subject as the hardness level of MCQs have been kept to advance level.These Sets of Questions are very helpful in Preparing for various Competitive Exams and University level Exams.
This Section covers below lists of topics :
- Small signal Amplifier MCQs.
- Single stage transistor Amplifier MCQs.
- Hybrid-parameters / h-parameters of transistors MCQs.
Practice it now to sharpen your concept.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. h-parameter of a transistor is
- Four in number
- Hie hre hfb hoc
- Hib,hrc ,hfe,hoe
- Hie, hrb,hfc,hob
A. Four in number
2. In an amplifier, a coupling capacitor is used to
- Match the impedance
- Prevent dc mixing with output
- Control frequency
- Limit the band width
B. Prevent dc mixing with output
3. If RC and RL are collector and load resistors respectively, then the ac load resistance will be
- RL
- RC
- (RC×RL)/(RC+RL)
- (RC+RL)/ (RC×RL)
C. (RC×RL)/(RC+RL)
4. If the current gain and voltage gain of an amplifier is X and Y respectively, then its power gain will be
- X.Y
- X-Y
- X+Y
- Y/X
A. X.Y
5. In CE transistor amplifier, voltage gain is
- α ×(RAC/Rin)
- β×(RAC/Rin)
- β-1×(RAC/Rin)
- β+1×(RAC/Rin)
B. β×(RAC/Rin)
