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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
- Consider two concentric spherical metal shells of radii r₁ and r₂( r₂>r₁). If the outer
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- A body starts from rest, what is the ratio of the distance travelled by the body
- The kinetic energy of α-particle emitted in the α-dacay of ₈₈Ra²²⁶ is
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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