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

2024 · 29 Jan · Shift 1 · Q65
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Alternating Current
  5. /2024 · 29 Jan · Shift 1 · Q65

Alternating Current question

2024 · 29 Jan · Shift 1 · Q65

JEE MainPhysicsAlternating CurrentMCQ+4 / −1
A capacitor of capacitance 100μF100 \mu \mathrm{F}100μF is charged to a potential of 12 V12 \mathrm{~V}12 V and connected to a 6.4 mH6.4 \mathrm{~mH}6.4 mH inductor to produce oscillations. The maximum current in the circuit would be :
  1. A
    2.0 A
  2. B
    3.2 A
  3. C
    1.5 A
  4. D
    1.2 A
PreviousNext

More from Alternating Current

  • In an a.c. circuit, voltage and current are given by: V=100sin(100t)V and I=100sin(100t+3π​)mA respectively. The average power dissipated in one cycle is:2024 · MCQ
  • Primary coil of a transformer is connected to 220 V ac. Primary and secondary turns of the transforms are 100 and 10 respectively. Secondary coil of transformer is connected to two series resistances shown in figure. The output… Includes diagram2024 · MCQ
  • A series L.R circuit connected with an ac source E=(25sin1000t)V has a power factor of 2​1​. If the source of emf is changed to E=(20sin2000t)V, the new power factor of the circuit…2024 · MCQ
  • An alternating voltage V(t)=220sin100πt volt is applied to a purely resistive load of 50Ω. The time taken for the current to rise from half of the peak value to the peak value is:2024 · MCQ
  • A power transmission line feeds input power at 2.3 kV to a step down transformer with its primary winding having 3000 turns. The output power is delivered at 230 V by the transformer. The current in the primary of…2024 · Numerical
  • An AC voltage V=20sin200πt is applied to a series LCR circuit which drives a current I=10sin(200πt+3π​). The average power dissipated is:2024 · MCQ
  • Match List - I with List - II : Choose the correct answer from the options given below : Includes table2023 · MCQ
  • A series LCR circuit is connected to an ac source of 220 V,50 Hz. The circuit contain a resistance R=100 Ω and an inductor of inductive reactance XL​=79.6 Ω. The…2023 · Numerical