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An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance. The power dissipated in it is
Options
(a) 90 W
(b) 90√2 W
(c) 45 W
(d) 45√2 W
Correct Answer:
90 W
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three capacitors each of capacity 4 μF are to be connected in such a way that the effective
- A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens
- Cathode rays are produced when the pressure is of the order of
- A light emitting diode(LED) has a voltage drop of 2 volt across it
- A block is moving up an inclined plane of inclination 60° with velocity of 20 ms⁻¹
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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