Electronic Devices and Circuit Theory- Semiconductor Diodes Questions and Answers

Practice Mode
Showing 10 of 27 questions
Q1
The diode ________.
  • A is the simplest of semiconductor devices
  • B has characteristics that closely match those of a simple switch
  • C is a two-terminal device
  • D All of the above
Answer: Option D
Q2
It is not uncommon for a germanium diode with an Is in the order of 1–2 A at 25°C to have leakage current of 0.1 mA at a temperature of 100°C.
  • A TRUE
  • B FALSE
Answer: Option A
Q3
What does a high resistance reading in both forward- and reverse-bias directions indicate?
  • A A good diode
  • B An open diode
  • C A shorted diode
  • D A defective ohmmeter
Answer: Option B
Q4
What is the state of an ideal diode in the region of nonconduction?
  • A An open circuit
  • B A short circuit
  • C Unpredictable
  • D Undefined
Answer: Option A
Q5
How many orbiting electrons does the germanium atom have?
  • A 4
  • B 14
  • C 32
  • D 41
Answer: Option C
Q6
The diffused impurities with ________ valence electrons are called donor atoms.
  • A 4
  • B 3
  • C 5
  • D 0
Answer: Option C
Q7
In which of the following color(s) is (are) LEDs presently available?
  • A Yellow
  • B White
  • C Orange
  • D All of the above
Answer: Option D
Q8
Determining rd to a high degree of accuracy from a characteristic curve is very accurate.
  • A TRUE
  • B FALSE
Answer: Option B
Q9
What is the range of the operating voltage level for LEDs?
  • A 5–12 mV
  • B 1.7–3.3 V
  • C 5–12 V
  • D 20–25 V
Answer: Option B
Q10
At what kind of operating frequency diffusion or transition is a capacitor represented in parallel with the ideal diode?
  • A Low frequency
  • B Moderate frequency
  • C Mid frequency
  • D Very high frequency
Answer: Option D

📚 More from Electronics

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search
Electronics
Back to Electronics
Other Subjects
Questions and Answers for Competitive Exams Various Entrance Test