Electrical Engineering Mcqs
Question: If a square wave is fed to a differentiating circuit, the output will be _____________?
- 1. Sine wave
- 2. Sharp narrow pulses
- 3. Rectangular wave
- 4. Triangular wave
Question: If the input to a differentiating circuit is a saw-tooth wave, then output will be _____________?
- 1. Square
- 2. Triangular
- 3. Sine
- 4. Rectangular
Question: An astable multivibrator has ________________?
- 1. One stable state
- 2. Two stable states
- 3. No stable state
- 4. None of the above
Question: A relay is superior to a mechanical switch because it _______________?
- 1. Is relatively inexpensive
- 2. Does not require moving contacts
- 3. Combines control with power amplification
- 4. None of the above
Question: ______________ multivibrator is a square wave oscillator?
- 1. Monostable
- 2. Astable
- 3. Bistable
- 4. None of the above
Question: When a transistor is driven to saturation, ideally the output is _____________?
- 1. VCC
- 2. 0
- 3. VCC/2
- 4. 2VCC
Question: The most inexpensive switch is _____________ switch?
- 1. Electronic
- 2. Mechanical
- 3. Electromechanical
- 4. None of the above
Question: A switch has ______________?
- 1. One state
- 2. Two states
- 3. Three states
- 4. None of the above
Question: The maximum speed of electronic switch can be _____________operations per second?
- 1. 104
- 2. 10
- 3. 1000
- 4. 109
Question: The main disadvantage of a mechanical switch is that it_______________?
- 1. Is operated mechanically
- 2. Is costly
- 3. Has high inertia
- 4. None of the above