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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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- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
- If the velocity of sound in air is 350 m/s, thent he fundamental frequency
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius
- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
- If the velocity of sound in air is 350 m/s, thent he fundamental frequency
- Ice is wrapped in black and white cloth. In which cases more ice will melt
- A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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