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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 monoatomic gas at a pressure P, having a volume V expands isothermally
- A source of sound and a detector are moving along the same line with same speed
- The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- The potential energy of a weightless spring compressed by a distance D is proportional
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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