1
JEE Main 2023 (Online) 11th April Morning Shift
+4
-1

The logic performed by the circuit shown in figure is equivalent to :

A
NAND
B
AND
C
OR
D
NOR
2
JEE Main 2023 (Online) 10th April Evening Shift
+4
-1

If each diode has a forward bias resistance of $$25 ~\Omega$$ in the below circuit,

Which of the following options is correct :

A
$$\frac{I_{3}}{I_{4}}=1$$
B
$$\frac{\mathrm{I}_{1}}{\mathrm{I}_{2}}=2$$
C
$$\frac{I_{2}}{\mathrm{I}_{3}}=1$$
D
$$\frac{I_{1}}{I_{2}}=1$$
3
JEE Main 2023 (Online) 10th April Morning Shift
+4
-1

A zener diode of power rating 1.6 W is to be used as voltage regulator. If the zener diode has a breakdown of 8V and it has to regulate voltage fluctuating between 3 V and 10 V. The value of resistance Rs for safe operation of diode will be

A
13 $$\Omega$$
B
13.3 $$\Omega$$
C
10 $$\Omega$$
D
12 $$\Omega$$
4
JEE Main 2023 (Online) 8th April Evening Shift
+4
-1
Out of Syllabus

For a given transistor amplifier circuit in $$\mathrm{CE}$$ configuration $$\mathrm{V}_{\mathrm{CC}}=1 \mathrm{~V}, \mathrm{R}_{\mathrm{C}}=1 ~\mathrm{k} \Omega, \mathrm{R}_{\mathrm{b}}=100 ~\mathrm{k} \Omega$$ and $$\beta=100$$. Value of base current $$\mathrm{I}_{\mathrm{b}}$$ is

A
$$\mathrm{I}_{\mathrm{b}}=100 ~\mu \mathrm{A}$$
B
$$\mathrm{I}_{\mathrm{b}}=0.1 ~\mu \mathrm{A}$$
C
$$\mathrm{I}_{\mathrm{b}}=1.0 ~\mu \mathrm{A}$$
D
$$\mathrm{I}_{\mathrm{b}}=10 ~\mu \mathrm{A}$$
EXAM MAP
Medical
NEET
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12