Electrical Engineering Mcqs
Question: If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to___________________?
- 1. 6 mA
- 2. mA
- 3. 3 mA
- 4. 1 mA
Question: The circuit that provides the best stabilization of operating point is___________________?
- 1. Base resistor bias
- 2. Collector feedback bias
- 3. Potential divider bias
- 4. None of the above
Question: Transistor biasing is generally provided by a_______________?
- 1. Biasing circuit
- 2. Bias battery
- 3. Diode
- 4. None of the above
Question: Transistor biasing is done to keep _____________in the circuit?
- 1. Proper direct current
- 2. Proper alternating current
- 3. The base current small
- 4. Collector current small
Question: For faithful amplification by a transistor circuit, the value of VBE should_____________for a silicon transistor?
- 1. Be zero
- 2. Be 0.01 V
- 3. Not fall below 0.7 V
- 4. Be between 0 V and 0.1 V
Question: The zero signal IC is generally ______________ mA in the initial stages of a transistor amplifier?
- 1. 4
- 2. 1
- 3. 3
- 4. More than 10
Question: The point of intersection of d.c. and a.c. load lines represents __________________?
- 1. Operating point
- 2. Current gain
- 3. Voltage gain
- 4. None of the above
Question: For faithful amplification by a transistor circuit, the value of VCE should______________for silicon transistor?
- 1. Not fall below 1 V
- 2. Be zero
- 3. Be 0.2 V
- 4. None of the above
Question: Operating point represents__________________?
- 1. Values of IC and VCE when signal is applied
- 2. The magnitude of signal
- 3. Zero signal values of IC and VCE
- 4. None of the above
Question: Transistor biasing represents ______________ conditions?
- 1. a.c
- 2. d.c
- 3. both a.c. and d.c
- 4. none of the above