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An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor of capacitance 2 μF. The impedence of the circuit is
Options
(a) π/5000
(b) 1000/π
(c) 500π
(d) 5000/π
Correct Answer:
5000/π
Explanation:
Impedance of a capacitor is Xc = 1 / ωC
Xc = 1 / 2πfC = 1 / (2π × 50 × 2 × 10⁻⁶) = 5000 / π
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- The energy released by the fission of one uranium atom is 200 MeV.
- In Young’s double slit experiment, the intensity of light coming from the first slit
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- The ratio of magnetic dipole moment of an electron of charge e and mass m
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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