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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.
Related Questions: - A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
- A 2 kg mass starts from rest on an inclined smooth surface with inclination
- Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂
- The optical path of a monochromatic light is same if it goes through 4.0 cm
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
- A 2 kg mass starts from rest on an inclined smooth surface with inclination
- Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂
- The optical path of a monochromatic light is same if it goes through 4.0 cm
- In circular coil, when number of turns is doubled and resistance becomes 1/4th
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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