A relay is ___________switch?

Related Mcqs:

1. 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

2. If d.c. supply of 10 V is fed to a differentiating circuit, then output will be_______________?

   A. 20 V
   B. 10 V
   C. 0 V
   D. None of the above

3. When a transistor is driven to saturation, ideally the output is _____________?

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

4. The most inexpensive switch is _____________ switch?

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

5. If a square wave is fed to a differentiating circuit, the output will be _____________?

   A. Sine wave
   B. Sharp narrow pulses
   C. Rectangular wave
   D. Triangular wave

6. When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ______________?

   A. Rectangular
   B. Sinusoidal
   C. Sawtooth
   D. Square

7. A bistable multivibrator has _________________?

   A. Two stable states
   B. One stable state
   C. No stable state
   D. None of the above

8. For a differentiating circuit to be effective, the RC product should be ___________ the time period of the input wave?

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

9. A negative clipper removes the ______________half-cycles of the input voltage?

   A. Negative
   B. Positive
   C. Both positive and negative
   D. None of the above

10. A differentiating circuit is a simple RC circuit with output taken across ____________?

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