MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How many terminals does a Shockley diode have? |
| A. | 5 |
| B. | 4 |
| C. | 3 |
| D. | 2 |
| Answer» E. | |
| 2. |
What is the typical value of the reverse resistance of SCRs? |
| A. | 1 to 10 |
| B. | 100 to 1 k |
| C. | 1 k to 50 k |
| D. | 100 k or more |
| Answer» E. | |
| 3. |
The ISO-LIT Q1 16-pin Litronix opto-isolator DIP contains ________ opto-isolators. |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 6 |
| Answer» B. 8 | |
| 4. |
How many terminals does a programmable unijunction transistor (PUT) have? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» C. 2 | |
| 5. |
Which of the following devices has a negative-resistance region in its characteristics curve? |
| A. | SCR |
| B. | SCS |
| C. | Unijunction transistor |
| D. | Phototransistor |
| Answer» D. Phototransistor | |
| 6. |
Which of the following devices is unquestionably of the greatest interest today? |
| A. | SCR |
| B. | GTO |
| C. | LASCR |
| D. | SCS |
| Answer» B. GTO | |
| 7. |
Today, the SCR is more widely used than the TRIAC. |
| A. | True |
| B. | False |
| C. | - |
| D. | - |
| Answer» C. - | |
| 8. |
Which of the following devices does not have a cathode terminal? |
| A. | SCR |
| B. | SCS |
| C. | Triac |
| D. | Shockley diode |
| Answer» D. Shockley diode | |