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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 velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- If the highest modulating frequency of the wave is 5 kHz, the number
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- When a metallic surface is illuminated with radiation of wavelength λ,
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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