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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 wire is stretched under a force. If the wire suddenly snaps the temperature
- Two simple harmonic motions of angular frequency 100 and 1000 rad s⁻¹ have the same
- A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity
- In an inductor when current changes from 2 A to 18 A in 0.05 sec, the e.m.f. induced
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Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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