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1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
The given graph represents V-I characteristic for a semiconductor device.

AIPMT 2014 Physics - Semiconductor Electronics Question 100 English

Which of the following statement is correct ?
A
It is V-I characteristic for solar cell where, point A represents open circuit voltage and point B short circuit current.
B
It is for a solar cell and popints A and B represent open circuit voltage and current, respectively.
C
It is for a photodiode and points A and B represent open circuit voltage and current, respectively.
D
It is for a LED and points A and B represent open circuit voltage and short circuit current, respectively.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
One way in which the operation of a n-p-n transistor differs from that of a p-n-p
A
The emitter junction injects minority carries into the base region of the p-n-p
B
The emitter injects holes into the base of the p-n-p and electrons into the base region of n-p-n
C
The emitter injects holes into the base of n-p-n
D
The emitter junction is reversed biased in n-p-n
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
A
The attraction of free electrons of n-region.
B
The higher hole concentration in p-region than that in n-region.
C
The higher concentration of electrons in the n-region than that in the p-region.
D
The potential difference across the p-n junction.
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
The output from a NAND gate is divided into two in parallel and fed to another NAND gate. The resulting gate is a

NEET 2013 (Karnataka) Physics - Semiconductor Electronics Question 95 English
A
AND gate
B
NOR gate
C
OR gate
D
NOT gate
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NEET Subjects
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
Physical Chemistry
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
Biology
Botany
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
Zoology
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