Identify the logic operation performed by the given circuit:
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
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
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 :
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
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 :-