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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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- In the given figure, a diode D is connected to an external resistance R=100 Ω
- An object is attached to the bottom of a light vertical spring and set vibrating.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
- In the given figure, a diode D is connected to an external resistance R=100 Ω
- An object is attached to the bottom of a light vertical spring and set vibrating.
- A wire of resistance 4 ohm is stretched to twice its original length.
- λ₁ and λ₂ are used to illuminate the slits. β₁ and β₂ are the corresponding fringe
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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