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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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- The focal length of the objective of a terrestrial telescope is 80 cm
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following rods of same material undergoes maximum elongation
- The focal length of the objective of a terrestrial telescope is 80 cm
- 64 identical spheres of charge q and capacitance C each are combined to form a large
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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