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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
- If λ₁ and λ₂ are the wavelengths of the first members of the Lyman and Paschen
- If h is planck’s constant and λ is wavelength, h/λ has dimensions of
- A bucket full of water is revolved in a vertical circle of 2m
- To what temperature should the hydrogen at room temperature (27°C) be heated at constant
- The wavelength of the first line of Lymasn series for hydrogen atom is equal
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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