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Electromagnetism
Electrostatics
MCQ (Single Correct Answer)Subjective
Current Electricity
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Capacitor
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Magnetic Effect of Current
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Magnetic Properties of Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
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Alternating Current
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Electromagnetic Waves
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Optics
Geometrical Optics
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Wave Optics
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Modern Physics
Atoms and Nuclei
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Dual Nature of Radiation
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Semiconductor
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1
CBSE 12th Physics (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+0.77
-0
The core of a transformer is laminated to reduce the effect of
A
flux leakage
B
copper loss
C
hysteresis loss
D
eddy current
2
CBSE 12th Physics (Term 1) Paper 2021-22
MCQ (Single Correct Answer)
+0.77
-0
Assertion (A) : A step-up transformer cannot be used as a step-down transformer.

Reason (R) : A transformer works only in one direction.
A
Both (A) & (R) are true and (R) is correct explanation of (A).
B
Both (A) & (R) are true and (R) is not correct explanation of (A).
C
(A) is true but (R) is false.
D
(A) is false and (R) is also false.
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Questions Asked from Marks 0.77
CBSE 12th Physics (Term 1) Paper 2021-22 (10)
Class 12 Subjects
Physics
Electromagnetism
ElectrostaticsCurrent ElectricityCapacitorMagnetic Effect of CurrentMagnetic Properties of MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Optics
Geometrical OpticsWave Optics
Modern Physics
Atoms and NucleiDual Nature of RadiationSemiconductor
Chemistry
Physical Chemistry
SolutionsElectrochemistryChemical Kinetics
Inorganic Chemistry
d and f Block ElementsCoordination Compounds
Organic Chemistry
Haloalkanes and HaloarenesAlcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAminesBiomolecules
Mathematics
Relations and Functions
Relations and FunctionsInverse Trigonometric Function
Calculus
Continuity and DifferentiabilityApplication of DerivativesIndefinite IntegrationDefinite IntegrationApplication of IntegrationDifferential Equations
Algebra
MatricesDeterminantsProbabilityVector AlgebraThree Dimensional Geometry