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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 spherical shell of radius 10cm is carrying a charge q. If the electric potential
- Two closed pipes produce 10 beats per second when emitting their fundamental nodes.
- Two point objects of masses 1.5 g and 2.5 g respectively are at a distance of 16 cm
- If the volume of a block of aluminium is decreased by 1%, the pressure
- Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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