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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 bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown
- On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck
- when a magnetic field is applied on a stationary electron, then it
- In Young’s double slit experiment, the intensity of light coming from the first slit
- A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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