Electrical Engineering Mcqs
Question: Class _____________ operation gives the maximum distortion?
- 1. A
- 2. B
- 3. C
- 4. AB
Question: The output stage of a multistage amplifier usually employs _________________?
- 1. Push-pull amplifier
- 2. Preamplifier
- 3. Class A power amplifier
- 4. None of the above
Question: In the design of a biasing circuit, the value of collector load RC is determined by__________________?
- 1. VCE consideration
- 2. VBE consideration
- 3. IB consideration
- 4. None of the above
Question: For germanium transistor amplifier, VCE should_______________for faithful amplification?
- 1. Be zero
- 2. Be 0.2 V
- 3. Not fall below 0.7 V
- 4. None of the above
Question: In a transistor amplifier circuit VCE = VCB +________________?
- 1. VBE
- 2. 2VBE
- 3. 5 VBE
- 4. None of the above
Question: The stability factor of a collector feedback bias circuit is_______________ that of base resistor bias?
- 1. The same as
- 2. More than
- 3. Less than
- 4. None of the above
Question: If the temperature increases, the value of VCE_________________?
- 1. Remains the same
- 2. Is increased
- 3. Is decreased
- 4. None of the above
Question: The value of stability factor for a base resistor bias is________________?
- 1. RB (ß+1)
- 2. (ß+1)RC
- 3. (ß+1)
- 4. 1-ß
Question: In voltage divider bias, VCC = 25 V; R1 = 10 kO; R2 = 2.2 V ; RC = 3.6 V and RE =1 kO. What is the emitter voltage?
- 1. 7 V
- 2. 3 V
- 3. V
- 4. 8 V
Question: In voltage divider bias, operating point is 3 V, 2 mA. If VCC = 9 V, RC = 2.2 kO, what is the value of RE ?
- 1. 2000 O
- 2. 1400 O
- 3. 800 O
- 4. 1600 O