New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Alternating Current question

2023 · 31 Jan · Shift 1 · Q74

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Physics
Alternating Current
2023 · 31 Jan · Shift 1 · Q74

Alternating Current question

2023 · 31 Jan · Shift 1 · Q74

JEE MainPhysicsAlternating CurrentNumerical+4 / −1

An inductor of

0.5 ~\mathrm{mH}

, a capacitor of

20 ~\mu \mathrm{F}

and resistance of

20 ~\Omega

are connected in series with a

220 \mathrm{~V}

ac source. If the current is in phase with the emf, the amplitude of current of the circuit is

\sqrt{x}

A. The value of

x

is

\underline{\hspace{2cm}}

Numerical answer

More from Alternating Current

An alternating voltage source $V = 260 sin (628 t$ ) is connected across a pure inductor of $5 mH$ Inductive reactance in the circuit is :2023 · MCQ
A series $LCR$ circuit consists of $R = 80Ω, X_{L} = 100Ω$ , and $X_{C} = 40Ω$ . The input voltage is 2500 $cos (100 π t) V$ . The amplitude of current, in…2023 · Numerical
A resistance of 40 $Ω$ is connected to a source of alternating current rated 220 V, 50 Hz. Find the time taken by the current to change from its maximum value to the rms value :2022 · MCQ
As shown in the figure an inductor of inductance 200 mH is connected to an AC source of emf 220 V and frequency 50 Hz. The instantaneous voltage of the source is 0 V when the peak value of current is $\frac{a}{π}$ A. The value… Includes diagram2022 · Numerical
Given below are two statements : Statement I : The reactance of an ac circuit is zero. It is possible that the circuit contains a capacitor and an inductor. Statement II : In ac circuit, the average power delivered by the source never…2022 · MCQ
To increase the resonant frequency in series LCR circuit,2022 · MCQ
When you walk through a metal detector carrying a metal object in your pocket, it raises an alarm. This phenomenon works on :2022 · MCQ
Match List-I with List-II. Choose the correct answer from the options given below : Includes table2022 · MCQ