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1
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)  +4  -1
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
$$\beta = {1 \over {1 - \alpha }}$$
2
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?

A
XOR Gate
B
NOR Gate
C
NAND Gate
D
AND Gate
3
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)  +4  -1
The output of the given combination gates represents :

A
AND Gate
B
NOR Gate
C
NAND Gate
D
XOR Gate
4
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)  +4  -1
The following logic gate is equivalent to :

A
NOR Gate
B
NAND Gate
C
OR Gate
D
AND Gate
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