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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
- Two balls are dropped from heights h and 2h respectively. The ratio of times
- A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).
- If the sodium light in Young’s double slit experiment is replaced by red light
- If the volume of a block of aluminium is decreased by 1%, the pressure
- A thin circular ring of mass M and radius R rotates about an axis through its centre
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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