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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
- Four cells, each of emf E and internal resistance r, are connected in series across
- An objective moves ,starting from rest through a resistive medium
- A thin wire of resistance 4 ohm is bent to form a circle. The resistance across
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
- A charged particle enters a uniform magnetic field with a certain speed at right angles
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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