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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.
Related Questions: - If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- When a magnet is taken towards a coil, the induced e.m.f. depends on
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- A mass m moves in a circle on a smooth horizontal plane with velocity v₀
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- When a magnet is taken towards a coil, the induced e.m.f. depends on
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- A mass m moves in a circle on a smooth horizontal plane with velocity v₀
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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