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

Identify the correct circuit diagrams for the normal operation from the following.

MHT CET 2023 11th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 29 English

A
(A), (B)
B
(B), (C)
C
(A), (C)
D
(B), (D)
2
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In energy band diagram of insulators, a band gap and the conduction band is respectively

A
very low and partially filled.
B
very high and completely filled.
C
very high and empty.
D
very low and empty.
3
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
$$\mathrm{Y}=\overline{\mathrm{A} \cdot \mathrm{B}}$$
4
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
$$4 \times 10^{20} \mathrm{~m}^{-3}$$
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MHT CET Subjects
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Units & Measurement and Dimensions Vector Algebra Motion Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Simple Harmonic Motion Fluid Mechanics Elasticity Waves Heat and Thermodynamics
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Functions Limits, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integration Definite Integration Area Under The Curves Differential Equations
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Straight Lines and Pair of Straight Lines Circle Parabola
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