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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ionization energy of Li⁺⁺ is equal to
- A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t
- The wavelength of kα, X-rays produced by an X-ray tube 0.76Å. The atomic number
- A capacitor is used to store 24 watt hour of energy at 1200 volt.
- The velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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