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1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The circuit given represents which of the logic operations?

KCET 2021 Physics - Semiconductor Devices and Logic Gates Question 21 English

A
OR
B
AND
C
NOT
D
NOR
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Identify the incorrect statement.

A
When a $$p$$-$$n$$ junction diode is forward biased, then the width of the depletion region decreases.
B
When a $$p$$-$$n$$ junction diode is reverse biased, the barrier potential increases.
C
A photodiode is operated in the reverse bias.
D
An LED is a lightly doped $$p$$-$$n$$ junction diode which emits spontaneous radiation of forward biasing.
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Three photodiodes $$D_1, D_2$$ and $$D_3$$ are made of semiconductors having band gaps of $$2.5 \mathrm{~eV}, 2 \mathrm{~eV}$$ and $$3 \mathrm{~eV}$$, respectively. Which one will be able to detect light of wavelength $$600 \mathrm{~nm}$$ ?

A
$$D_1$$ only
B
Both $$D_1$$ and $$D_3$$
C
$$D_2$$ only
D
All of these
4
KCET 2020
MCQ (Single Correct Answer)
+1
-0

In the following circuit what are P and Q

KCET 2020 Physics - Semiconductor Devices and Logic Gates Question 19 English

A
$$P=1, Q=0$$
B
$$P=0, Q=1$$
C
$$P=0, Q=0$$
D
$$P=1, Q=1$$
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Questions Asked from MCQ (Single Correct Answer)
KCET 2025 (2) KCET 2024 (4) KCET 2023 (3) KCET 2022 (3) KCET 2021 (3) KCET 2020 (2) KCET 2019 (3) KCET 2018 (4) KCET 2017 (5)
KCET Subjects
Physics
Mechanics
Units & Measurement and DimensionsVector AlgebraMotion in a Straight LineMotion in a PlaneLaws of MotionCircular MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionGravitationSimple Harmonic MotionFluid MechanicsElasticityWavesHeat and Thermodynamics
Optics
Ray OpticsWave Optics
Electromagnetism
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Modern Physics
Atoms and NucleiDual Nature of RadiationSemiconductor Devices and Logic GatesCommunication Systems
Chemistry
Physical Chemistry
Some Basic Concepts of ChemistryAtomic StructureStates of MatterThermodynamicsChemical EquilibriumIonic EquilibriumLiquid SolutionRedox ReactionsSurface ChemistrySolid StateElectrochemistryChemical KineticsNuclear Chemistry
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureMetallurgyHydrogen and It's Compoundss-Block Elementsp-Block Elementsd and f Block ElementsCoordination CompoundsSalt AnalysisEnvironmental Chemistry
Organic Chemistry
IUPAC NomenclaturesGeneral Organic ChemistryIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehyde and KetoneCarboxylic Acids and Its DerivativesCompounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday Life
Mathematics
Algebra
LogarithmsQuadratic EquationsSequences and SeriesPermutations and CombinationsProbabilitySets and RelationsBinomial TheoremVector AlgebraThree Dimensional GeometryMatrices and DeterminantsStatisticsMathematical ReasoningLinear ProgrammingComplex Numbers
Trigonometry
Trigonometric Ratios & IdentitiesTrigonometric EquationsInverse Trigonometric FunctionsProperties of Triangles
Calculus
FunctionsLimits, Continuity and DifferentiabilityDifferentiationApplication of DerivativesIndefinite IntegrationDefinite IntegrationArea Under The CurvesDifferential Equations
Coordinate Geometry
Straight Lines and Pair of Straight LinesCircleParabolaEllipseHyperbola