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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
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A slab consists of two parallel layers of two different materials of same thickness
- When aluminium is added as an impurity to silicon, the resulting material is
- A balloon with mass m is descending down with an acceleration a
- If light emitted from sodium bulb is passed through sodium vapour,
- Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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