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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
- In an astronomical telescope in normal adjustment a straight black line of length
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- Power dissipated in an LCR series circuit connected to an a.c source of emf ? is
- A thin wire of resistance 4 ohm is bent to form a circle. The resistance across
- In the Young’s double slit experiment, the intensity of light at a point on the screen
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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