Microelectronics MCQ Quiz! Test
10 Questions
| Total Attempts: 104
(210).jpg "Microelectronics MCQ Quiz! Test")
.
Questions and Answers
- 1.If biasing is not done in an amplifier circuit, it results in ……………
- A.
Increase in the base current
- B.
No amplification
- C.
Increase in collector current
- D.
None of the above
- 2.The bipolar transistor acts as ............................ when operating in the forward active region.
- A.
Voltage controlled voltage source
- B.
Current controlled voltage source
- C.
Voltage controlled current source
- D.
Current controlled current source
- 3.In BJT, IC is independent of VCE. (neglect early effect)
- A.
True
- B.
False
- 4.
![These circuits reduce to the same equivalent circuit. - ProProfs]( "These circuits reduce to the same equivalent circuit.")
These circuits reduce to the same equivalent circuit.- A.
True
- B.
False
- 5.With zero volts on op-amp inputs, it ideally should have an output:
- A.
Equal to positive supply voltage
- B.
Equal to negative supply voltage
- C.
Equal to zero
- D.
Undefined
- 6.Voltage follower using op-amp:
- A.
Has a gain of one
- B.
Is non-inverting
- C.
Has no feedback resistor
- D.
Has all of these
- 7.
![What is the minimum allowable value of VDD if M1 must not enter the triode region?(neglect early effect)assume μnCox = 200 μA/V2 and VTH = 0.4 V - ProProfs]( "What is the minimum allowable value of VDD if M1 must not enter the triode region?(neglect early effect)assume μnCox = 200 μA/V2 and VTH = 0.4 V")
What is the minimum allowable value of VDD if M1 must not enter the triode region?(neglect early effect)assume μnCox = 200 μA/V2 and VTH = 0.4 V- A.
1.6
- B.
1.8
- C.
2.5
- D.
1.1
- 8.
![Compute the input resistance - ProProfs]( "Compute the input resistance")
Compute the input resistance- A.
A
- B.
B
- C.
C
- D.
D
- 9.
![Compute voltage gain of the circuit shown (include early effect) - ProProfs]( "Compute voltage gain of the circuit shown (include early effect)")
Compute voltage gain of the circuit shown (include early effect)- A.
A
- B.
B
- C.
C
- D.
D
- 10.
![Which one of these circuit has the following characteristics? (assume ideal diodes) - ProProfs]( "Which one of these circuit has the following characteristics? (assume ideal diodes)")
Which one of these circuit has the following characteristics? (assume ideal diodes)- A.
A
- B.
B
- C.
C
- D.
D
.png "Compute voltage gain of the circuit shown (include early effect)")
.png "Which one of these circuit has the following characteristics? (assume ideal diodes)")
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