Opto Electronics – Exercise – 1

36. When the light increases, the reverse current in a photo-diode :

(a) increases
(b) decreases
(c) is unaffected
(d) none of the above

Answer
Answer : (a)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Discuss
Discuss : Write your answer. Click here.

37. To display the digit 0 in a seven segment display :

(a) A must be lighted
(b) F must be off
(c) G must be on
(d) all segments except G should be lighted

Answer
Answer : (d)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Discuss
Discuss : Write your answer. Click here.

Related Posts

  • Opto Electronics - 36Opto Electronics » Exercise - 136. When the light increases, the reverse current in a photo-diode : (a) increases (b) decreases (c) is unaffected (d) none of the above
    Tags: electronics, light, reverse, current, engineering
  • Opto Electronics - 32Opto Electronics » Exercise - 132. When the light increases, the reverse current in a photo-diode : (a) increases (b) decreases (c) is unaffected (d) none of the above
    Tags: electronics, light, reverse, current, engineering
  • Opto Electronics - 18Opto Electronics » Exercise - 118. Compared to visible red light emitting diode, an infrared LED : (a) Produces light with longer wavelength (b) Produces light with shorter wavelength (c) Produces light with medium wavelength (d) Produces light of all wavelengths
    Tags: light, produces, electronics, led, diode, engineering
  • Opto Electronics - 1Opto Electronics » Exercise - 1 1. Consider the following statements 1. LED is also known as direct gap diode. 2. LCD generates light. of these statements : (a) 1 is correct but 2 is wrong (b) 2 is correct but 1 is wrong (c) both 1 & 2 are correct (d) both 1 & 2 are wrong
    Tags: correct, electronics, led, diode, light, engineering
  • Display Devices and Systems - 5Display Devices and Systems » Exercise - 1 5. LED means : (a) Liquid emitting display (b) Liquid energy display (c) Light emitting diode (d) Liquid emitting detector
    Tags: led, light, diode, electronics, engineering