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| ⇨ |
The average power dissipated in a pure inductor is
Options
(a) VI²/4
(b) 1/2 VI
(c) zero
(d) VI²
Correct Answer:
zero
Explanation:
In the inductor circuit, phase difference (ɸ) = 90° or π / 2
we know that, Pₐᵥ = V(rms) I(rms) cos ɸ = V(rms) I(rms) cos(π/2)
Therefore, Pₐᵥ = 0
Related Questions: - A certain metallic surface is illuminated with monochromatic light of wavelength
- Dimensions formula for surface tension is
- When the disc rotates with uniform angulr velocity.Which of the following is not true?
- In R-L-C series circuit, the potential differences across each element is 20 V.
- SI unit of magnetic dipole moment is
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A certain metallic surface is illuminated with monochromatic light of wavelength
- Dimensions formula for surface tension is
- When the disc rotates with uniform angulr velocity.Which of the following is not true?
- In R-L-C series circuit, the potential differences across each element is 20 V.
- SI unit of magnetic dipole moment is
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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