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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
- In the relation n=PV/RT, n stands for
- A coil of N turns and mean cross-sectional area A is rotating with uniform angular
- Huygen’s principle of secondary wavelets may be used to
- An astronomical telescope arranged for normal adjustment has a magnification of 6.
- Two bullets are fired simultaneously, horizontally and with different speeds
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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