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

2021 · Q128
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Alternating Current
  5. /2021 · Q128

Alternating Current question

2021 · Q128

NEETPhysicsAlternating CurrentMCQ+4 / −1
An inductor of inductance L, a capacitor of capacitance C and a resistor of resistance 'R' are connected in series to an ac source of potential difference 'V' volts as shown in figure. Potential difference across L, C and R is 40V, 10V and 40V, respectively. The amplitude of current flowing through LCR series circuit is 102\sqrt 22​ A. The impedance of the circuit is :

NEET 2021 Physics - Alternating Current Question 22 English
  1. A
    5Ω\OmegaΩ
  2. B
    42\sqrt 22​ Ω\OmegaΩ
  3. C
    5/2\sqrt 22​ Ω\OmegaΩ
  4. D
    4Ω\OmegaΩ
PreviousNext

More from Alternating Current

  • A capacitor of capacitance 'C', is connected across an ac source of voltage V, given by V = V0sinωt The displacement current between the plates of the capacitor, would then be given by :2021 · MCQ
  • A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit ?2021 · MCQ
  • A series LCR circuit containing 5.0 H inductor, 80μF capacitor and 40Ω resistor is connected to 230V variable frequency ac source. The angular frequencies of the source at which power transferred to the circuit is half the power…2021 · MCQ
  • A 40 μF capacitor is connected to a 200 V. 50 Hz ac supply. The rms value of the current on the circuit is, nearly :2020 · MCQ
  • A series LCR circuit is connected to an ac voltage source. When L is removed from the circuit, the phase difference between current and voltage is 3π​. If instead C is removed from the circuit, the phase difference is again 3π​…2020 · MCQ
  • The magnetic potential energy stored in a certain inductor is 25 mJ, when the current in the inductor is 60 mA. This inductor is of inductance2018 · MCQ
  • An inductor 20 mH, a capacitor 100 μF and a resistor 50 Ω are connected in series across a source of emf, V = 10 sin 314 t. The power loss in the circuit is2018 · MCQ
  • Figure shows a circuit that contains three identical resistors with resistance R = 9.0 Ω each, two identical inductors with inductance L = 2.0 mH each, and an ideal battery with emf ε=18V. The current i through… Includes diagram2017 · MCQ