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

2006 · Q139
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Alternating Current
  5. /2006 · Q139

Alternating Current question

2006 · Q139

NEETPhysicsAlternating CurrentMCQ+4 / −1
A coil of inductive reactance 31 Ω\OmegaΩ has a resistance of 8 Ω\OmegaΩ. It is placed in series with a condenser of capacitative reactance 25 Ω\OmegaΩ. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is
  1. A
    0.33
  2. B
    0.56
  3. C
    0.64
  4. D
    0.80
PreviousNext

More from Alternating Current

  • The core of a transformer is laminated because2006 · MCQ
  • In a circuit L, C and R are connected in series with an alternating voltage source of frquency f. The current leads the voltage by 45o. The value of C is2005 · MCQ
  • A coil of 40 henry inductance is connected in series with a resistance of 8 ohm and the combination is joined to the terminals of a 2 volt battery. The time constant of the circuit is2004 · MCQ
  • For a series LCR circuit the power loss at resonance is2002 · MCQ
  • A capacitor of capacity C has reactance X. If capacitance and frequency become double then reactance will be2001 · MCQ
  • The value of quality factor is2001 · Multiple correct
  • To an ac power supply of 220 V at 50 Hz , a resistor of 20Ω, a capacitor of reactance 25Ω and an inductor of reactance 45Ω are connected in series. The corresponding current in the circuit and the phase angle…2025 · MCQ
  • In an ideal transformer, the turns ratio is NS​NP​​=21​. The ratio VS​:VP​ is equal to (the symbols carry their usual meaning) :2024 · MCQ