1
JEE Main 2023 (Online) 11th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

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

JEE Main 2023 (Online) 11th April Morning Shift Physics - Semiconductor Question 30 English

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

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

JEE Main 2023 (Online) 10th April Evening Shift Physics - Semiconductor Question 29 English

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
MCQ (Single Correct Answer)
+4
-1
Change Language

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

JEE Main 2023 (Online) 10th April Morning Shift Physics - Semiconductor Question 28 English

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

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

JEE Main 2023 (Online) 8th April Evening Shift Physics - Semiconductor Question 27 English

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
$$\mathrm{I}_{\mathrm{b}}=10 ~\mu \mathrm{A}$$
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