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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
- The time period of a mass suspended from a spring is T. If the spring is cut into four
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
- The instantaneous values of alternating current and voltages in a circuit are given as
- To convert a 800 mV range millivoltmeter of resistance 40Ω into an ammeter of 100 mA
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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