The main disadvantage of a mechanical switch is that it_______________?

Related Mcqs:

1. The switch that has the fastest speed of operation is ____________ switch?

   A. Electronic
   B. Mechanical
   C. Electromechanical
   D. None of the above

2. The most inexpensive switch is _____________ switch?

   A. Electronic
   B. Mechanical
   C. Electromechanical
   D. None of the above

3. A relay is superior to a mechanical switch because it _______________?

   A. Is relatively inexpensive
   B. Does not require moving contacts
   C. Combines control with power amplification
   D. None of the above

4. A switch has ______________?

   A. One state
   B. Two states
   C. Three states
   D. None of the above

5. The maximum speed of electronic switch can be _____________operations per second?

   A. 104
   B. 10
   C. 1000
   D. 109

6. When a transistor is driven to cut off, ideally the output is _______________?

   A. VCC
   B. 0
   C. VCC/2
   D. VCC/3

7. The multivibrator which generates square wave of its own is the ____________multivibrator?

   A. Monostable
   B. Bistable
   C. Astable
   D. None of the above

8. For an integrating circuit to be effective , the RC product should be____________ the time period of the input wave?

   A. 5 times greater than
   B. 5 times smaller than
   C. Equal to
   D. At least 10 times greater than

9. If the input to an integrating circuit is a succession of alternating positive and negative pulses of very short duration, the output will be _____________wave A?

   . Rectangular
   B. Triangular
   C. Sine
   D. Square

10. An integrating circuit is a simple RC series circuit with output taken across ______________?

    A. Both R and C
    B. R
    C. C
    D. None of the above