Microelectronics MCQ Quiz! Test

10 Questions | By Mustafamuhammad5 | Last updated: Mar 18, 2022 | Total Attempts: 119

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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.
- A.
  
  True
- B.
  
  False
5.

Which one of these circuit has the following characteristics? (assume ideal diodes)
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
6.

Compute the input resistance
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
7.

Compute voltage gain of the circuit shown (include early effect)
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
8.

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
9.

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
10.

What is the minimum allowable value of VDD if M1 must not enter the triode region?(neglect early effect)assume μ_nC_ox = 200 μA/V² and V_TH= 0.4 V
- A.
  
  1.6
- B.
  
  1.8
- C.
  
  2.5
- D.
  
  1.1

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