1
JEE Main 2020 (Online) 7th January Evening Slot
+4
-1
In the figure, potential difference between A and B is :
A
10 V
B
5 V
C
zero
D
15 V
2
JEE Main 2020 (Online) 7th January Morning Slot
+4
-1
Which of the following gives a reversible operation?
A
B
C
D
3
JEE Main 2019 (Online) 12th April Evening Slot
+4
-1
Figure shows a DC voltage regulator circuit, with a Zener diode of breakdown voltage = 6V. If the unregulated input voltage varies between 10 V to 16 V, then what is maximum Zener current?
A
3.5 mA
B
1.5 mA
C
2.5 mA
D
7.5 mA
4
JEE Main 2019 (Online) 12th April Morning Slot
+4
-1
The truth table for the circuit given in the fig. is:
A
$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 1 & 1 & 1 \cr } } \right|$$
B
$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 0 \cr 1 & 0 & 0 \cr 1 & 1 & 0 \cr } } \right|$$
C
$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 1 \cr 1 & 0 & 0 \cr 1 & 1 & 0 \cr } } \right|$$
D
$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 0 \cr 0 & 1 & 0 \cr 1 & 0 & 1 \cr 1 & 1 & 1 \cr } } \right|$$
EXAM MAP
Medical
NEET