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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 tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
- Two point charge +9e and +e are at 16 cm away from each other.
- A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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