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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
- SI unit of permittivity is
- A gas is suddenly expanded such that its final volume becomes 3 times
- A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height
- The induced emf in a coil of 10 H inductance in which current varies
- An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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