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In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω, then the value of power factor of the circuit is
Options
(a) (4/3)
(b) (3/4)
(c) zero
(d) infinity
Correct Answer:
(4/3)
Explanation:
Power factor cos ɸ = Resistance / Impedance = 4 / 3.
Related Questions: - 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- A ship of mass 3 x 10⁷ kg initially at rest is pulled by a force of 5 x 10⁴ N through
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- A block of mass m1 rests on a horizontal table. A light string connected
- If λ₁ and λ₂ are the wavelengths of the first members of the Lyman and Paschen
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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