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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
- If the earth shrink such that its mass does not change but radius decreases to one
- The direction of magnetic line of force of a bar magnet is
- The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights
- When npn transistor is used as an amplifier
- A juggler maintains four balls in motion,making each of them to rise
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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