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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.
Related Questions: - The temperature coefficient of a resistance wire is 0.00125 per degree.
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The temperature coefficient of a resistance wire is 0.00125 per degree.
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- Length of a string tied to two rigid supports is 40 cm. Maximum length
- When a beam of light is used to determine the position of an object,
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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