MCQOPTIONS
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MCQOPTIONS
This section includes 68 Mcqs, each offering curated multiple-choice questions to sharpen your Active Filter Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Calculate dc at V CE = 15 V and I B = 30 A. |
| A. | 100 |
| B. | 116 |
| C. | 50 |
| D. | 110 |
| Answer» E. | |
| 52. |
Transistors are ________-terminal devices. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 53. |
Determine the value of when = 100. |
| A. | 1.01 |
| B. | 101 |
| C. | 0.99 |
| D. | Cannot be solved with the information provided |
| Answer» D. Cannot be solved with the information provided | |
| 54. |
What does a reading of a large or small resistance in forward- and reverse-biased conditions indicate when checking a transistor using an ohmmeter? |
| A. | Faulty device |
| B. | Good device |
| C. | Bad ohmmeter |
| D. | None of the above |
| Answer» B. Good device | |
| 55. |
Which of the following configurations can a transistor set up? |
| A. | Common-base |
| B. | Common-emitter |
| C. | Common-collector |
| D. | All of the above |
| Answer» E. | |
| 56. |
Use this table of collector characteristics to calculate ac at V CE = 15 V and I B = 30 A. |
| A. | 100 |
| B. | 106 |
| C. | 50 |
| D. | 400 |
| Answer» B. 106 | |
| 57. |
Which of the following is (are) the terminal(s) of a transistor? |
| A. | Emitter |
| B. | Base |
| C. | Collector |
| D. | All of the above |
| Answer» E. | |
| 58. |
An example of a pnp silicon transistor is a 2N4123. |
| A. | True |
| B. | False |
| C. | - |
| D. | - |
| Answer» C. - | |
| 59. |
In which region are both the collector-base and base-emitter junctions forward-biased? |
| A. | Active |
| B. | Cutoff |
| C. | Saturation |
| D. | All of the above |
| Answer» D. All of the above | |
| 60. |
What is (are) the component(s) of electrical characteristics on the specification sheets? |
| A. | On |
| B. | Off |
| C. | Small-signal characteristics |
| D. | All of the above |
| Answer» E. | |
| 61. |
Calculate minority current I CO if I C = 20.002 mA and I C majority = 20 mA. |
| A. | 20 A |
| B. | 0.002 A |
| C. | 2 nA |
| D. | 2 A |
| Answer» E. | |
| 62. |
What range of resistor values would you get when checking a transistor for forward- and reverse-biased conditions by an ohmmeter? |
| A. | 100 to a few k , exceeding 100 k |
| B. | Exceeding 100 k , 100 to a few k |
| C. | Exceeding 100 k , exceeding 100 k |
| D. | 100 to a few k , 100 to a few k |
| Answer» B. Exceeding 100 k , 100 to a few k | |
| 63. |
A transistor can be checked using a(n) ________. |
| A. | curve tracer |
| B. | digital meter |
| C. | ohmmeter |
| D. | Any of the above |
| Answer» E. | |
| 64. |
In the active region, while the collector-base junction is ________-biased, the base-emitter is ________-biased. |
| A. | forward, forward |
| B. | forward, reverse |
| C. | reverse, forward |
| D. | reverse, reverse |
| Answer» D. reverse, reverse | |
| 65. |
For what kind of amplifications can the active region of the common-emitter configuration be used? |
| A. | Voltage |
| B. | Current |
| C. | Power |
| D. | All of the above |
| Answer» E. | |
| 66. |
Which of the following equipment can check the condition of a transistor? |
| A. | Current tracer |
| B. | Digital display meter (DDM) |
| C. | Ohmmeter (VOM) |
| D. | All of the above |
| Answer» E. | |
| 67. |
How many layers of material does a transistor have? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 68. |
How much is the base-to-emitter voltage of a transistor in the "on" state? |
| A. | 0 V |
| B. | 0.7 V |
| C. | 0.7 mV |
| D. | Undefined |
| Answer» C. 0.7 mV | |