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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 spherical planet has a mass Mp and diameter Dp. A particle of mass
- The coefficient of mutual inductance of two coils is 6 mH. If the current flowing
- If rope of lift breaks suddenly, the tension exerted by the surface of the lift
- If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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