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The average power dissipated in AC circuit is 2 W. If a current flowing through a circuit is 2 A, impedance is 1Ω, then what is the power factor of the circuit?
Options
(a) 0.5
(b) 1
(c) zero
(d) 1/√2
Correct Answer:
0.5
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A certain current on passing through a galvanometer produces a deflection
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- To obtain a p-type semiconductor, germanium must be doped with
- The tension in a piano wire is 10 N. What should be the tension in the wire to produce
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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