1
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the case of NAND gate, if A and B are the inputs and $$\mathrm{Y}$$ is the output then

A
$$\mathrm{Y}=\mathrm{A} \cdot \mathrm{B}$$
B
$$\mathrm{Y}=\overline{\mathrm{A}-\mathrm{B}}$$
C
$$\mathrm{Y}=\overline{\mathrm{A}+\mathrm{B}}$$
D
$$\mathrm{Y}=\overline{\mathrm{A} \cdot \mathrm{B}}$$
2
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A pure $$\mathrm{Si}$$ crystal has $$4 \times 10^{28}$$ atoms per $$\mathrm{m}^3$$. It is doped by 1 ppm concentration of antimony. The number of free electrons available will be

A
$$4 \times 10^{34} \mathrm{~m}^{-3}$$
B
$$4 \times 10^{28} \mathrm{~m}^{-3}$$
C
$$4 \times 10^{22} \mathrm{~m}^{-3}$$
D
$$4 \times 10^{20} \mathrm{~m}^{-3}$$
3
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The output of an 'OR' gate is connected to both the inputs of a 'NAND' gate. The combination will serve as

A
OR gate
B
NOT gate
C
NOR gate
D
AND gate
4
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the operations of $$\mathrm{n}-\mathrm{p}-\mathrm{n}$$ transistor differs from that of $$p-n-p$$ transistor?

A
The emitter-base junction is reversed biased in $$\mathrm{n}-\mathrm{p}-\mathrm{n}$$ transistor.
B
The emitter injects minority carriers into the base region of the $$\mathrm{p}-\mathrm{n}-\mathrm{p}$$ transistor.
C
The emitter injects holes into the base of the $$\mathrm{p}-\mathrm{n}-\mathrm{p}$$ transistor and electrons into the base region of $$n-p-n$$ transistor.
D
The emitter injects holes into the base of $$\mathrm{n}-\mathrm{p}-\mathrm{n}$$ transistor.
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12