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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 wire of one metre length carries a constant current. The wire is bent to form
- The sodium nucleus ₁₁Na²³ contains
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire of one metre length carries a constant current. The wire is bent to form
- The sodium nucleus ₁₁Na²³ contains
- A coil of self-inductance L is connected in series with a bulb B and an AC source
- A p-n-p transistor is used in common emitter mode in an amplifier circuit.
- Which of the following quantities has units but not dimensions
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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