1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0
The following are the graphs of potential barrier versus width of the depletion region for a p-n junction diode.
Which of the following is correct?
| I | II | III | IV` |
|---|---|---|---|
| A - unbiased diode | A - Forward biased diode | A - unbiased diode | A - unbiased diode |
| B - Reverse biased | B - Reverse biased | B - Forward biased | B - unused diode |
| C - Forward biased | C - unbiased | C - Reverse biased | C - Forward biased |
2
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
$$ \text { In a p-n junction, the depletion layer of thickness } 1 \mu \mathrm{m} \text { has } 0.05 \mathrm{~V} \text { potential across it. The electric field in } N C^{-1} \text { is } $$
3
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
The mobility of the charge carriers increases with
4
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
In intrinsic semiconductors at room temperature, number of electrons and holes are
Questions Asked from Semiconductor Devices and Logic Gates (MCQ (Single Correct Answer))
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