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A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series with a condenser of capacitative reactance 25 Ω. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is
Options
(a) 0.33
(b) 0.56
(c) 0.64
(d) 0.8
Correct Answer:
0.8
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Periodic time of a satellite revolving above Earth’s surface at a height equal to R,
- Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
- At what height h above earth, the value of g becomes g/2 (where R=radius of earth)?
- Two identical thin plano-convex glass lenses (refractive index 1.5) each having
- If the velocity of sound in air is 350 m/s, thent he fundamental frequency
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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