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1
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A
very high empty.
B
very low, partially filled
C
very high, completely filled
D
very low, empty.
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A rectifier is used to

A
convert a.c. to d.c.
B
amplify a weak signal
C
generate intermittent voltage
D
convert d.c. to a.c.
3
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two different logic gates moving output '0' for the inputs (0, 1) and then for (1, 0) are

A
'AND', 'NAND'
B
'NAND', 'NOR'
C
'OR', 'AND'
D
'NOR', 'AND'
4
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The frequency of a given a.c. signal is 'N' Hz. When it is connected to a half wave rectifier, the number of output pulses given by the rectifier in 1 second is

A
$$\mathrm{\frac{N}{4}}$$
B
$$\mathrm{\frac{N}{2}}$$
C
N
D
2N
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MHT CET Subjects
Physics
Mechanics
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
Optics
Ray Optics Wave Optics
Electromagnetism
Electrostatics Current Electricity Capacitor Moving Charges and Magnetism Magnetism and Matter Electromagnetic Waves Electromagnetic Induction Alternating Current
Modern Physics
Atoms and Nuclei Dual Nature of Radiation Semiconductor Devices and Logic Gates Communication Systems
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Physical Chemistry
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Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry
Organic Chemistry
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Calculus
Functions Limits, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integration Definite Integration Area Under The Curves Differential Equations
Coordinate Geometry
Straight Lines and Pair of Straight Lines Circle Parabola Ellipse Hyperbola
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