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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
- A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰
- A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
- The resistance of a carbon resistor of colour code Red-Red Green Silver is(in kΩ)
- For a series L-C-R circuit, the rms values of voltage across various components
- A particle executing SHM with amplitude of 0.1 m. At a certain instant,
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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