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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: - An objective moves ,starting from rest through a resistive medium
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- Two lenses of power 15 D and -3 D are placed in contact.
- Two bodies A and B having temperature 327° C and 427° C are radiating heat
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An objective moves ,starting from rest through a resistive medium
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- Two lenses of power 15 D and -3 D are placed in contact.
- Two bodies A and B having temperature 327° C and 427° C are radiating heat
- If rope of lift breaks suddenly, the tension exerted by the surface of the lift
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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