MCQOPTIONS
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MCQOPTIONS
This section includes 60 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
When the transistor (CE arrangement) is in the cut off region, the collector current is ___________.? |
| A. | ICBO |
| B. | ICEO |
| C. | (ß + 1) ICEO |
| D. | IC(sat) |
| Answer» C. (‚àö√º + 1) ICEO | |
| 52. |
An astable multivibrator has ___________.? |
| A. | One stable state |
| B. | Two stable states |
| C. | No stable state |
| D. | None of the above |
| Answer» D. None of the above | |
| 53. |
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 |
| Answer» E. | |
| 54. |
When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ___________.? |
| A. | Rectangular |
| B. | Sinusoidal |
| C. | Sawtooth |
| D. | Square |
| Answer» B. Sinusoidal | |
| 55. |
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 |
| Answer» D. None of the above | |
| 56. |
One would find a clamping circuit in ___________. |
| A. | Receiving antenna |
| B. | Radio transmitter |
| C. | Radio receiver |
| D. | Television receiver |
| Answer» E. | |
| 57. |
In a multivibrator, we have ___________ feedback. |
| A. | Negative |
| B. | 100 % positive |
| C. | Both positive and negative |
| D. | None of the above |
| Answer» C. Both positive and negative | |
| 58. |
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 |
| Answer» B. C | |
| 59. |
When a transistor is used as an amplifier, it is operated in the ___________ region |
| A. | Off |
| B. | Saturation |
| C. | Active |
| D. | None of the above |
| Answer» D. None of the above | |
| 60. |
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 |
| Answer» E. | |