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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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- A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the Young’s double slit experiment, a point P on the central bright fringe
- A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
- A galvanometer has a coil of resistance 100 ohm and gives a full-scale deflection
- When germanium is doped with phosphorus what type of semiconductor is produced?
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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