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GATE 2024 EDC Foundation Quiz 20

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Question 1Multiple Correct Options

 Photons are incident on an InGaAs PIN photo detector which has a quantum efficiency of and energy band gap of. Then

Question 2

The relative values of the forward conduction voltage for a p-n junction diode, a Red LED and a Schottky barrier diode are

Question 3

Barrier potential of a p-n junction diode does not depend on:

Question 4

If the efficiency of photodetector is 100% for the incident light with 50μm wavelength. Then the responsivity (in A/W) of photo detector is

Question 5

Photons of energy 1.62 × 10–19 Joules are incident on a photodiode which has a responsivity 0.75 A/W. If the optical power level is 10 μW. What is the photocurrent generated?
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Apr 1ESE & GATE EC