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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
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- One mole of an ideal gas at an initial temperature of T K, does 6R joule of work
- A rod of weight W is supported by two parallel knife edge A and B
- A particle of mass m is projected with a velocity v making an angle of 45°
- In a uniform circular motion, work done in one complete rotation is
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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