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Motion in a Straight Line
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Laws of Motion
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Work, Energy and Power
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Center of Mass and Collision
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Electricity
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Moving Charges and Magnetism
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Magnetism and Matter
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Electromagnetic Induction
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Alternating Current
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Electromagnetic Waves
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Optics
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Modern Physics
Atoms and Nuclei
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Dual Nature of Radiation and Matter
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Semiconductor Electronics
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1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
If number of turns, area and current through a coil is given by n, A and $$i$$ respectively then its magnetic moment will be
A
$$niA$$
B
$${n^2}iA$$
C
$$ni{A^2}$$
D
$${{ni} \over {\sqrt A }}$$
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The magnetic field at centre, P will be

AIPMT 2000 Physics - Moving Charges and Magnetism Question 25 English
A
$${{{\mu _0}} \over {4\pi }}$$
B
$${{{\mu _0}} \over {\pi }}$$
C
$${{{\mu _0}} \over {2\pi }}$$
D
$$4{\mu _0}\pi $$
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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