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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
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Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a star converts all helium in its core to oxygen, then energy released per oxygen
- If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
- If a wire is stretched to four times its length, then the specific resistance
- Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- A stone is dropped from a height h. It hits the ground with a certain momentum P. If the same stone is dropped from a height 100
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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