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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
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- At a metro station, a girl walks up a stationary escalator in time t₁
- A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire
- In the Davisson and Germer experiment, the velocity of electrons emitted from the
- Which of the following is true for number of spectral lines in going from Lyman series
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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