| ⇦ |
| ⇨ |
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: - If n₁, n₂ and n₃ are the fundamental frequencies of three segments into which a string
- An ideal black body is equivalent to
- A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
- The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
- A ship A is moving westwards with a speed of 10 km/h .The time after
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If n₁, n₂ and n₃ are the fundamental frequencies of three segments into which a string
- An ideal black body is equivalent to
- A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
- The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
- A ship A is moving westwards with a speed of 10 km/h .The time after
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends

Leave a Reply