| ⇦ | 
| ⇨ |
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: - A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
- A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
- Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force
- The potential energy of a system increases if work is done
- The heat dissipated in a resistance can be obtained by measuring of resistance,
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
- A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
- Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force
- The potential energy of a system increases if work is done
- The heat dissipated in a resistance can be obtained by measuring of resistance,
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply