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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 series combination of resistor (R), capacitor (C), is connected to an AC source
- The angular speed of earth, so that the object on equator may appear weightless
- Work of 3.0×10⁻⁴ joule is required to be done in increasing the size of a soap film
- A concave mirror ia placed over a beaker containing water of
- A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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