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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
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- Astigmatism is corrected by using
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
- A body of mass m is placed on the earth’s surface. It is taken from the earth’s surface
- A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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