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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle of mass m is driven by a machine that delivers a constant power k watts
- Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance
- A body of mass m=3.513 kg is moving along the x-axis with a speed of 5 m/s
- Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel
- Nickel shows ferromagnetic property at room temperature. If the temperature is
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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