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

2025 · 23 Jan · Shift 2 · Q72
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Alternating Current
  5. /2025 · 23 Jan · Shift 2 · Q72

Alternating Current question

2025 · 23 Jan · Shift 2 · Q72

JEE MainPhysicsAlternating CurrentNumerical+4 / −1
In a series LCR circuit, a resistor of 300Ω300 \Omega300Ω, a capacitor of 25 nF and an inductor of 100 mH are used. For maximum current in the circuit, the angular frequency of the ac source is ‾×104\underline{\hspace{2cm}}\times 10^4​×104 radians s−1\mathrm{s}^{-1}s−1
Numerical answer
PreviousNext

More from Alternating Current

  • An alternating current is given by I=IA​sinωt+IB​cosωt. The r.m.s current will be2025 · MCQ
  • A parallel plate capacitor has a capacitance C=200 pF. It is connected to 230 V ac supply with an angular frequency 300 rad/s. The rms value of conduction current in the circuit and…2024 · MCQ
  • In series LCR circuit, the capacitance is changed from C to 4C. To keep the resonance frequency unchanged, the new inductance should be:2024 · MCQ
  • In an ac circuit, the instantaneous current is zero, when the instantaneous voltage is maximum. In this case, the source may be connected to : A. pure inductor. B. pure capacitor. C. pure resistor. D. combination of an inductor and…2024 · MCQ
  • A alternating current at any instant is given by i=[6+56​sin(100πt+π/3)] A. The rms value of the current is ​ A.2024 · Numerical
  • Match List I with List II Choose the correct answer from the options given below: Includes table Includes diagram2024 · MCQ
  • An alternating voltage of amplitude 40 V and frequency 4 kHz is applied directly across the capacitor of 12μF. The maximum displacement current between the plates of the capacitor is nearly :2024 · MCQ
  • An ac source is connected in given series LCR circuit. The rms potential difference across the capacitor of 20μF is ​ V. Includes diagram2024 · Numerical