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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.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range
- A particle is released from rest from a tower of height h, i.e,t₁ : t₂ : t₃ is
- If the self inductance of 500 turn coil is 125 mH, then the self inductance
- A point charge q is placed at a distance x/2 directly above the centre of a cube
- As per Bohr model, the minimum energy (in eV) required to remove an electron
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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