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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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Capacitor
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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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Modern Physics
Atoms and Nuclei
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Dual Nature of Radiation
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Semiconductor Devices and Logic Gates
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1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

The frequency of an alternating current is $$50 \mathrm{~Hz}$$. What is the minimum time taken by current to reach its peak value from rms value?

A
$$5 \times 10^{-3} \mathrm{~s}$$
B
$$2.5 \times 10^{-3} \mathrm{~s}$$
C
$$0.02 \mathrm{~s}$$
D
$$10 \times 10^{-3} \mathrm{~s}$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

An inductor of inductance $$L$$ and resistor $$R$$ are joined together in series and connected by a source of frequency $$\omega$$. The power dissipated in the circuit is

A
$$\frac{R^2+\omega^2 L^2}{V}$$
B
$$\frac{V^2 R}{R^2+\omega^2 L^2}$$
C
$$\frac{V}{R^2+\omega^2 L^2}$$
D
$$\frac{V^2 R}{\sqrt{R^2+\omega^2 L^2}}$$
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
Which of the following, represents the variation of inductive reactance $\left(X_L\right)$ with the frequency of voltage sources $(v)$ ?
A
KCET 2018 Physics - Alternating Current Question 7 English Option 1
B
KCET 2018 Physics - Alternating Current Question 7 English Option 2
C
KCET 2018 Physics - Alternating Current Question 7 English Option 3
D
KCET 2018 Physics - Alternating Current Question 7 English Option 4
4
KCET 2018
MCQ (Single Correct Answer)
+1
-0
A 100 W bulb is connected to an AC source of $220 \mathrm{~V}, 50 \mathrm{~Hz}$. Then, the current flowing through the bulb is
A
$\frac{5}{11} \mathrm{~A}$
B
$\frac{1}{2} \mathrm{~A}$
C
2 A
D
$\frac{3}{4} \mathrm{~A}$
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Questions Asked from MCQ (Single Correct Answer)
KCET 2025 (3) KCET 2024 (3) KCET 2023 (3) KCET 2022 (4) KCET 2021 (3) KCET 2020 (4) KCET 2019 (2) KCET 2018 (4) KCET 2017 (3)
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