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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Electronic Circuits knowledge and support exam preparation. Choose a topic below to get started.
1. |
A LED will glow if connected under reverse bias configuration. |
A. | True |
B. | False |
Answer» C. | |
2. |
Which of the following is not an advantage of using a LED? |
A. | High response time |
B. | Compatibility with solid-state circuits |
C. | Rugged construction and high lifetime |
D. | No need for a heat sink in long run |
Answer» E. | |
3. |
Which of the following voltages may be considered as a safe and sufficient voltage for the operation of a LED? |
A. | 0.7 V |
B. | 5 V |
C. | 2.7 V |
D. | -5 V |
Answer» D. -5 V | |
4. |
Which of the following materials is used to make LEDs? |
A. | Silicon |
B. | GaAsP |
C. | Germanium |
D. | Selenium |
Answer» C. Germanium | |
5. |
At 298 K, the nominal Zener voltage is found to be equal to 10 V. Given that the value of the temperature coefficient is 0.072 (%/K), what is the nominal Zener Voltage at 398 K? |
A. | 9.46 V |
B. | 9.54 V |
C. | 0.54 V |
D. | 10.54 V |
Answer» E. | |
6. |
Which of the following is not a part of the equivalent circuit of a Zener diode? |
A. | Dynamic Resistance |
B. | DC Battery |
C. | Ideal diode |
D. | Piecewise linear model of diode |
Answer» D. Piecewise linear model of diode | |
7. |
A silicon semiconductor diode when subjected to ohmmeter testing gives high resistance in both directions. Which of the following is the correct inference to be drawn? |
A. | Diode is faulty |
B. | Power failure to the Ohmmeter |
C. | Diode is short-circuited |
D. | Diode is open circuited |
Answer» B. Power failure to the Ohmmeter | |
8. |
A silicon semiconductor diode when subjected to ohmmeter testing gives low resistance in both directions. Which of the following is the correct inference to be drawn? |
A. | Diode is faulty |
B. | Power failure to the Ohmmeter |
C. | Diode is short-circuited |
D. | Diode is open circuited |
Answer» D. Diode is open circuited | |
9. |
What is the expected reading obtained on a Digital Display Meter with diode-checking function when a proper functioning silicon semiconductor diode is connected across its leads in the reverse bias configuration? |
A. | 0.67 V |
B. | 0.3 V |
C. | Open Loop Indication |
D. | Varies with the diode |
Answer» D. Varies with the diode | |
10. |
Which of the following equipment can t be used to check the condition of a diode? |
A. | Digital Display Meter |
B. | Ohmmeter |
C. | Curve Tracer |
D. | CRO |
Answer» E. | |