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

Question: The switch that has the fastest speed of operation is ____________ switch?

• 1. Electronic
• 2. Mechanical
• 3. Electromechanical
• 4. None of the above

Question: A relay is ___________switch?

• 1. A mechanical
• 2. An electronic
• 3. An electromechanical
• 4. None of the above

Question: For the same a.c. power output as above, what should be the minimum power rating of transistor for class B operation?

• 1. 10 W
• 2. 4 W
• 3. 8 W
• 4. None of the above

Question: The maximum a.c. power output from a class A power amplifier is 10 W. What should be the minimum power rating of the transistor used ?

• 1. 10 W
• 2. 15 W
• 3. 5 W
• 4. 20 W

Question: The class B push-pull circuit can deliver 100 W of a.c. output power. What should be the minimum power rating of each transistor ?

• 1. 20 W
• 2. 40 W
• 3. 10 W
• 4. 80 W