1

WB JEE 2024

MCQ (Single Correct Answer)

+1

-0.25

In a series LCR circuit, the rms voltage across the resistor and the capacitor are $$30 \mathrm{~V}$$ and $$90 \mathrm{~V}$$ respectively. If the applied voltage is $$50 \sqrt{2} \sin \omega t$$, then the peak voltage across the inductor is

2

WB JEE 2022

MCQ (Single Correct Answer)

+1

-0.25

When an AC source of emf E with frequency $$\omega$$ = 100 Hz is connected across a circuit, the phase difference between E and current I in the circuit is observed to be $${\pi \over 4}$$ as shown in the figure. If the circuit consist of only RC or RL in series, then

3

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

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

4

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

Consider a pure inductive AC circuit as shown in the figure. If the average power consumed is P, then

Questions Asked from Alternating Current (MCQ (Single Correct Answer))

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WB JEE Subjects

Physics

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Units & Measurements Vector Algebra Motion Laws of Motion Work Power & Energy Center of Mass Rotational Motion Properties of Matter Heat and Thermodynamics Simple Harmonic Motion Waves Gravitation

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Some Basic Concepts of Chemistry Atomic Structure Redox Reaction Gaseous State Chemical Equilibrium Liquid Solution Ionic Equilibrium Thermodynamics Chemical Kinetics Radioactivity and Nuclear Chemistry Electrochemistry Solid State Surface Chemistry

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