RMS & Average Values Recommended PYQs (STRICTLY NCERT Based) Alternating Current Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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Physics
Alternating Current
Recommended PYQs (STRICTLY NCERT Based)
RMS & Average Values (7 Qs)

1(current)

Q. No.

A $10~\mu\text F$ capacitor is connected to a $210~\text V,50~\text{Hz}$ source as shown in the figure. The peak current in the circuit is nearly $(\pi = 3.14)$:

1. $0.93~\text A$
2. $1.20~\text A$
3. $0.35~\text A$
4. $0.58~\text A$

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The peak voltage of the AC source is equal to:

1.	$1 / \sqrt{2}$ times the rms value of the AC source.
2.	the value of voltage supplied to the circuit.
3.	the rms value of the AC source.
4.	$\sqrt{2}$ times the rms value of the AC source.

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A standard filament lamp consumes $100$ W when connected to $200$ V AC mains supply. The peak current through the bulb will be:
1. $0.707$ A
2. $1$ A
3. $1.414$ A
4. $2$ A

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A $40$ $μ$ F capacitor is connected to a $200$ V, $50$ Hz AC supply. The rms value of the current in the circuit is, nearly:

1.	$2.05$ A	2.	$2.5$ A
3.	$25.1$ A	4.	$1.7$ A

Q4:

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In an AC circuit, an alternating voltage $\varepsilon=200 \sqrt{2} \sin (100 t)~\text{V}$ is connected to a capacitor of capacity $1~\mu \text{F}.$ The RMS value of the current in the circuit is:

1.	$100~\text{mA}$	2.	$200~\text{mA}$
3.	$20~\text{mA}$	4.	$10~\text{mA}$

Q5:

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The rms value of the potential difference $V$ shown in the figure is:

1.	$\dfrac{V_{0}}{\sqrt{3}}$	2.	$V_{0}$
3.	$\dfrac{V_{0}}{\sqrt{2}}$	4.	$\dfrac{V_{0}}{2}$

Q6:

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In an AC circuit, the emf (e) and the current (I) at any instant are given respectively by
e = E₀sin $ω$ t
I = I₀sin $(ωt - ϕ)$
The average power in the circuit over one cycle of AC is:

1. $\frac{E_{o} I_{o}}{2}$

2. $\frac{E_{o} I_{o}}{2}$ $\sin$ $ϕ$

3. $\frac{E_{o} I_{o}}{2}$ $\cos$ $ϕ$

4. $E_{o} I_{o}$

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Botany Questions

Living World
Biological Classification
Plant Kingdom
Morphology of Flowering Plants
Anatomy of Flowering Plants
Cell-unit of Life
Cell Cycle and Cell Division
Transport in Plants
Mineral Nutrition
Photosynthesis in Higher Plants
Respiration in Plants
Plant Growth and Development
Reproduction in Organisms
Sexual Reproduction in Flowering Plants
Principles of Inheritance and Variation
Molecular Basis of Inheritance
Strategies for Enhancement in Food Production
Microbes in Human Welfare
Organisms and Populations
Ecosystem
Biodiversity and Conservation
Environmental Issues

Chemistry Questions

Some Basic Concepts of Chemistry
Structure of Atom
Classification of Elements and Periodicity in Properties
Chemical Bonding and Molecular Structure
States of Matter
Thermodynamics
Equilibrium
Redox Reactions
Hydrogen
The s-Block Elements
The p-Block Elements-XI
Organic Chemistry - Some Basic Principles and Techniques
Hydrocarbons
Environmental Chemistry
The Solid State
Solutions
Electrochemistry
Chemical Kinetics
Surface Chemistry
General Principles and Processes of Isolation of Elements
The p-Block Elements-XII
The d and f Block Elements
Coordination Compounds
Haloalkanes and Haloarenes
Alcohols, Phenols and Ethers
Aldehydes, Ketones and Carboxylic Acids
Amines
Biomolecules
Polymers
Chemistry in Everyday Life

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Units and Measurement
Mathematical Tools
Motion in A Straight Line
Motion in A Plane
Laws of Motion
Work, Energy and Power
Systems of Particles and Rotational Motion
Gravitation
Mechanical Properties of Solids
Mechanical Properties of Fluids
Thermal Properties of Matter
Thermodynamics
Kinetic Theory of Gases
Oscillations
Waves
Electric Charges and Fields
Electrostatic Potential and Capacitance
Current Electricity
Moving Charges and Magnetism
Magnetism and Matter
Electromagnetic Induction
Alternating Current
Electromagnetic Waves
Ray Optics and Optical Instruments
Wave Optics
Dual Nature of Radiation and Matter
Atoms
Nuclei
Semiconductor Electronics

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Animal Kingdom
Structural Organisation in Animals
Biomolecules
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Human Reproduction
Reproductive Health
Evolution
Human Health and Disease
Biotechnology Principles and Processes
Biotechnology and its Application

1.	\(1 / \sqrt{2}\) times the rms value of the AC source.
2.	the value of voltage supplied to the circuit.
3.	the rms value of the AC source.
4.	\(\sqrt{2}\) times the rms value of the AC source.

1.	\(100~\text{mA}\)	2.	\(200~\text{mA}\)
3.	\(20~\text{mA}\)	4.	\(10~\text{mA}\)

1.	\(\dfrac{V_{0}}{\sqrt{3}}\)	2.	\(V_{0}\)
3.	\(\dfrac{V_{0}}{\sqrt{2}}\)	4.	\(\dfrac{V_{0}}{2}\)

1.	\(2.05\) A	2.	\(2.5\) A
3.	\(25.1\) A	4.	\(1.7\) A