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1
JEE Main 2022 (Online) 25th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Identify the logic operation performed by the given circuit:

JEE Main 2022 (Online) 25th June Evening Shift Physics - Semiconductor Question 83 English

A
AND gate
B
OR gate
C
NOR gate
D
NAND gate
2
JEE Main 2022 (Online) 25th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The photodiode is used to detect the optical signals. These diodes are preferably operated in reverse biased mode because :

A
fractional change in majority carriers produce higher forward bias current
B
fractional change in majority carriers produce higher reverse bias current
C
fractional change in minority carriers produce higher forward bias current
D
fractional change in minority carriers produce higher reverse bias current
3
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
In the given figure, each diode has a forward bias resistance of 30$$\Omega$$ and infinite resistance in reverse bias. The current I1 will be :

JEE Main 2021 (Online) 1st September Evening Shift Physics - Semiconductor Question 97 English
A
3.75 A
B
2.35 A
C
2 A
D
2.73 A
4
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
If VA and VB are the input voltages (either 5V or 0V) and V0 is the output voltage then the two gates represented in the following circuit (A) and (B) are :-

JEE Main 2021 (Online) 31st August Evening Shift Physics - Semiconductor Question 99 English
A
AND and OR Gate
B
OR and NOT Gate
C
NAND and NOR Gate
D
AND and NOT Gate
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