Two-Terminal Devices Questions and Answers
Two-Terminal Devices questions with answers form the base for studying semiconductor components such as diodes, Zener diodes, and LEDs. These aptitude questions and answers with explanations are highly relevant for exams like GATE, ISRO, and DRDO. Understanding two-terminal devices helps students analyze rectifier circuits, clippers, and voltage regulators. Practicing aptitude questions with solutions PDF improves problem-solving speed and accuracy for electronics engineering aspirants. These questions also appear frequently in technical interviews, making them vital for both exam and placement preparation in the electronics domain.
Two-Terminal Devices
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29 questions
11. What is the typical level of change in resistance per degree change in temperature?
- 1% to 2%
- 3% to 5%
- 7% to 10%
- 10% to 25%
12. What is the maximum peak voltage for tunnel diodes?
- 50 mV
- 100 mV
- 250 mV
- 600 mV
13. Which of the following semiconductor materials is (are) used for manufacturing solar cells?
- Gallium arsenide
- Indium arsenide
- Cadmium sulfide
- All of the above
14. Which of the following semiconductor materials is (are) used in the manufacturing of tunnel diodes?
- Germanium
- Gallium
- Both germanium and gallium arsenide
- Silicon
15. The varicap diode has a transition capacitance sensitive to the applied reverse-bias potential that is a maximum at zero volts and decreases ________ with increasing reverse-bias potentials.
- logarithmically
- parabolically
- exponentially
- [NIL]
16. For a 50-A unit, the PIV of the Schottky is about ________ compared to 150 V for the p-n junction variety.
- 25
- 50
- 75
- 100
17. What metal(s) is(are) used in the construction of Schottky diodes?
- Molybdenum
- Platinum
- Tungsten
- Silicon
18. Which of the following metals is (are) used in the fabrication of Schottky diodes?
- Molybdenum
- Platinum
- Tungsten
- All of the above
19. Which of the following areas is (are) applications of varactor diodes?
- FM modulators
- Automatic-frequency control devices
- Adjustable bandpass filters
- All of the above
20. Which of the following materials is (are) used in the manufacturing of thermistors?
- Ge
- Si
- A mixture of oxides of cobalt, nickel, strontium, or manganese
- All of the above