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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 circular disc of radius R and thickness R/6 has moment of inertia I about an axis
- A thin circular ring of mass M and radius R rotates about an axis through its centre
- The escape velocity of a body from earth’s surface is Ve. The escape velocity
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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