Electronic Devices-Two-Terminal Devices
Electronic Devices-Two-Terminal Devices
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%
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