1
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
For the circuit shown below, calculate the value of Iz :

JEE Main 2021 (Online) 20th July Morning Shift Physics - Semiconductor Question 88 English
A
25 mA
B
0.1 A
C
0.15 A
D
0.05 A
2
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The correct relation between $$\alpha$$ (ratio of collector current to emitter current) and $$\beta$$ (ratio of collector current to base current) of a transistor is :
A
$$\beta = {\alpha \over {1 + \alpha }}$$
B
$$\alpha = {\beta \over {1 - \alpha }}$$
C
$$\alpha = {\beta \over {1 + \beta }}$$
D
$$\beta = {1 \over {1 - \alpha }}$$
3
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following will be the output of the given circuit?

JEE Main 2021 (Online) 17th March Evening Shift Physics - Semiconductor Question 92 English
A
XOR Gate
B
NOR Gate
C
NAND Gate
D
AND Gate
4
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
The output of the given combination gates represents :

JEE Main 2021 (Online) 17th March Morning Shift Physics - Semiconductor Question 93 English
A
AND Gate
B
NOR Gate
C
NAND Gate
D
XOR Gate
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