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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: - A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
- A potentiometer wire is 100cm long and a constant potential difference is maintained
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
- A potentiometer wire is 100cm long and a constant potential difference is maintained
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- The dimensional formula for Young’s modulus is
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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