Photodiode MCQs Quiz Online PDF Download

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MCQs on Photodiode Quiz PDF Download

MCQ: Forward voltage drop of an LED is greater than

  1. 0.5 V
  2. 1.2 V
  3. 2.4 V
  4. 5 V


MCQ: Irradiance is measured in

  1. mW/cm
  2. mW/cm2
  3. mW/cm3
  4. mW/cm4


MCQ: In photodiode, when there is no incident light, thereverse current is almost negligible and is called

  1. Zener current
  2. dark current
  3. photo current
  4. PIN current


MCQ: Photodiode technology was refined in

  1. 1920s
  2. 1940s
  3. 1950s
  4. 1980s


MCQ: As forward current of LED increase, light emission of LED

  1. will increase
  2. will decrease
  3. become zero
  4. become infinite