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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 wire in the form of a circular loop of one turn, carrying a current, produces
- A beam of light of wavelength 590 nm is focussed by a converging lens of diameter
- A particle moves in a straight line with a constant acceleration
- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
- Which of the following parameters does not characterize the thermodynamic state
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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