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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
- If in a p-n junction, a square input signal of 10 V is applied as shown, then the output
- A body starts from rest with an acceleration of 2 m/s². After 5 second,
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
- The electromagnetic theory of light failed to explain
- If the ionisation energy for the hydrogen atom is 13.6 eV, the energy required
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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