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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
- The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye
- A simple pendulum oscillates in a vertical plane. When it passes through the mean
- A thin semicircular conducting ring (PQR) of radius r is falling with its plane
- Three fourth of the active material decays in a radioactive sample in 3/4 sec
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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