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1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
For a p-type semiconductor, which of the following statements is true?
A
Holes are the majority carriers and trivalent atoms are the dopants.
B
Holes are the majority carriers and pentavalent atoms are the dopants.
C
Electrons are the majority carriers and pentavalent atoms are the dopants
D
Electrons are the majority carriers and trivalent atoms are the dopants.
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In the circuit shown in the figure, the input voltage Vi is 20 V, VBE = 0 and VCE = 0. The values of IB , IC and $$\beta $$ are given by NEET 2018 Physics - Semiconductor Electronics Question 30 English
A
IB = 40 $$\mu $$A, IC = 10 mA, $$\beta $$ = 250
B
IB = 25 $$\mu $$A, IC = 5 mA, $$\beta $$ = 200
C
IB = 20 $$\mu $$A, IC = 5 mA, $$\beta $$ = 250
D
IB = 40 $$\mu $$A, IC = 5 mA, $$\beta $$ = 125
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
In the combination of the following gates the output Y can be written in terms of inputs A and B as NEET 2018 Physics - Semiconductor Electronics Question 31 English
A
$$\overline {A.B} $$
B
$$A.\overline B + \overline A .B$$
C
$$\overline {A.B} + A.B$$
D
$$\overline {A + B} $$
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
In a p-n junction diode, change in temperature due to heating
A
affects only reverse resistance
B
affects only forward resistance
C
does not affect resistance of p-n junction
D
affects the overall V - I characteristics of p-n junction
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Physics
Mechanics
Units & MeasurementMotion in a Straight LineMotion in a PlaneLaws of MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionGravitationProperties of MatterHeat and ThermodynamicsOscillationsWaves
Electricity
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Optics
Geometrical OpticsWave Optics
Modern Physics
Atoms and NucleiDual Nature of Radiation and MatterSemiconductor Electronics
Chemistry
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Some Basic Concepts of ChemistryStructure of AtomRedox ReactionsGaseous StateChemical EquilibriumIonic EquilibriumSolutionsThermodynamicsElectrochemistryChemical KineticsNuclear ChemistrySolid StateSurface Chemistry
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureProcesses of Isolation of Elementss-Block ElementsHydrogenp-Block Elementsd and f Block ElementsCoordination CompoundsEnvironmental Chemistry
Organic Chemistry
Some Basic Concepts of Organic ChemistryHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsOrganic Compounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday Life
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Cell - The Unit of LifeBiomoleculesCell Cycle and Cell DivisionSexual Reproduction in Flowering PlantsMicrobes in Human WelfareAnatomy of Flowering PlantsTransport in PlantsMineral NutritionRespiration in PlantsBiotechnology: Principles and ProcessesBiodiversity and ConservationThe Living WorldBiological ClassificationMorphology of Flowering PlantsPhotosynthesis in Higher PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionBiotechnology and It's ApplicationsOrganisms and PopulationsEnvironmental IssuesPlant KingdomPlant Growth and DevelopmentEcosystem
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Human Health and DiseasesBody Fluids and Its CirculationLocomotion and MovementNeural Control and CoordinationReproduction in OrganismsReproductive HealthStructural Organisation in AnimalsDigestion and AbsorptionExcretory Products and Their EliminationChemical Coordination and IntegrationHuman ReproductionAnimal KingdomBreathing and Exchange of GasesEvolution