Two-Terminal Devices Questions and Answers

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Showing 10 of 29 questions
Q11
What is the typical level of change in resistance per degree change in temperature?
  • A 1% to 2%
  • B 3% to 5%
  • C 7% to 10%
  • D 10% to 25%
Answer: Option B
Q12
What is the maximum peak voltage for tunnel diodes?
  • A 50 mV
  • B 100 mV
  • C 250 mV
  • D 600 mV
Answer: Option D
Q13
Which of the following semiconductor materials is (are) used for manufacturing solar cells?
  • A Gallium arsenide
  • B Indium arsenide
  • C Cadmium sulfide
  • D All of the above
Answer: Option D
Q14
Which of the following semiconductor materials is (are) used in the manufacturing of tunnel diodes?
  • A Germanium
  • B Gallium
  • C Both germanium and gallium arsenide
  • D Silicon
Answer: Option C
Q15
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.
  • A logarithmically
  • B parabolically
  • C exponentially
  • D [NIL]
Answer: Option C
Q16
For a 50-A unit, the PIV of the Schottky is about ________ compared to 150 V for the p-n junction variety.
  • A 25
  • B 50
  • C 75
  • D 100
Answer: Option B
Q17
What metal(s) is(are) used in the construction of Schottky diodes?
  • A Molybdenum
  • B Platinum
  • C Tungsten
  • D Silicon
Answer: Option
Q18
Which of the following metals is (are) used in the fabrication of Schottky diodes?
  • A Molybdenum
  • B Platinum
  • C Tungsten
  • D All of the above
Answer: Option D
Q19
Which of the following areas is (are) applications of varactor diodes?
  • A FM modulators
  • B Automatic-frequency control devices
  • C Adjustable bandpass filters
  • D All of the above
Answer: Option D
Q20
Which of the following materials is (are) used in the manufacturing of thermistors?
  • A Ge
  • B Si
  • C A mixture of oxides of cobalt, nickel, strontium, or manganese
  • D All of the above
Answer: Option D

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