1
JEE Main 2022 (Online) 25th July Morning Shift
+4
-1

In the circuit, the logical value of $$A=1$$ or $$B=1$$ when potential at $$A$$ or $$B$$ is $$5 \mathrm{~V}$$ and the logical value of $$A=0$$ or $$B=0$$ when potential at $$A$$ or $$B$$ is $$0 \mathrm{~V}$$.

The truth table of the given circuit will be :

A
$$\matrix{ A & B & Y \cr 0 & 0 & 0 \cr 1 & 0 & 0 \cr 0 & 1 & 0 \cr 1 & 1 & 1 \cr }$$
B
$$\matrix{ A & B & Y \cr 0 & 0 & 0 \cr 1 & 0 & 1 \cr 0 & 1 & 1 \cr 1 & 1 & 1 \cr }$$
C
$$\matrix{ A & B & Y \cr 0 & 0 & 0 \cr 1 & 0 & 0 \cr 0 & 1 & 0 \cr 1 & 1 & 0 \cr }$$
D
$$\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 1 & 0 & 1 \cr 0 & 1 & 1 \cr 1 & 1 & 0 \cr }$$
2
JEE Main 2022 (Online) 28th June Evening Shift
+4
-1

In the given circuit the input voltage Vin is shown in figure. The cut-in voltage of p-n junction diode (D1 or D2) is 0.6 V. Which of the following output voltage (V0) waveform across the diode is correct?

A
B
C
D
3
JEE Main 2022 (Online) 28th June Morning Shift
+4
-1

In the following circuit, the correct relation between output (Y) and inputs A and B will be :

A
Y = AB
B
Y = A + B
C
$$Y = \overline {AB}$$
D
$$Y = \overline {A+B}$$
4
JEE Main 2022 (Online) 28th June Morning Shift
+4
-1

For using a multimeter to identify diode from electrical components, choose the correct statement out of the following about the diode :

A
It is two terminal device which conducts current in both directions.
B
It is two terminal device which conducts current in one direction only.
C
It does not conduct current gives an initial deflection which decays to zero.
D
It is three terminal device which conducts current in one direction only between central terminal and either of the remaining two terminals
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