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In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω, then the value of power factor of the circuit is
Options
(a) (4/3)
(b) (3/4)
(c) zero
(d) infinity
Correct Answer:
(4/3)
Explanation:
Power factor cos ɸ = Resistance / Impedance = 4 / 3.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy band gap is maximum in
- A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- Charge q is uniformly spread on a thin ring of radius R. The ring rotates
- The current flowing through a lamp marked as 50 W and 250 V is
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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