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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
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- When indensity of radiation is increased on a photosensitive plate, then
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
- Surface tension of water will be minimum at
- A car accelerates from rest at constant rate for first 10s and covers a distance x.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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