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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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(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The limiting angle of incidence for an optical ray that can be transmitted
- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
- Light is emitted when
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- The emission line of Lyman corresponds to the absorption line in laboratory temperature
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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