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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 direction of magnetic line of force of a bar magnet is
- Order of e/m ratio of proton, α-particle and electron is
- The wavelength of light emitted from second orbit to first orbit in a hydrogen atom is
- Photoelectric current from a given photocell will depend upon
- A carnot’s engine operates with source at 127° C and sink at 27°C
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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