Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Alternating Current question

2023 · 31 Jan · Shift 1 · Q58
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Alternating Current
  5. /2023 · 31 Jan · Shift 1 · Q58

Alternating Current question

2023 · 31 Jan · Shift 1 · Q58

JEE MainPhysicsAlternating CurrentMCQ+4 / −1
If R,XL\mathrm{R}, \mathrm{X}_{\mathrm{L}}R,XL​, and XC\mathrm{X}_{\mathrm{C}}XC​ represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless :
  1. A
    RXLXC\frac{R}{X_{L} X_{C}}XL​XC​R​
  2. B
    RXLXCR X_{L} X_{C}RXL​XC​
  3. C
    RXLXC\frac{R}{\sqrt{X_{L} X_{C}}}XL​XC​​R​
  4. D
    RXLXCR \frac{X_{L}}{X_{C}}RXC​XL​​
PreviousNext

More from Alternating Current

  • An inductor of 0.5 mH, a capacitor of 20 μF and resistance of 20 Ω are connected in series with a 220 V ac source. If the current is in phase with the emf, the amplitude of current of the…2023 · Numerical
  • An alternating voltage source V=260sin(628t) is connected across a pure inductor of 5mH Inductive reactance in the circuit is :2023 · MCQ
  • A series LCR circuit consists of R=80Ω,XL​=100Ω, and XC​=40Ω. The input voltage is 2500 cos(100πt)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 πa​​ 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