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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
- When a wire of uniform cross-section a, length l and resistance R
- Four indentical thin rods each of mass M and length l, form a square frame
- The moment of inertia of a semicircular ring about the centre is
- The radioactivity of a certain material drops to 1/16 of the initial value in 2 hours.
- Light of wavelength λ from a point source falls on a small circular obstacle
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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