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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.
Related Questions: - A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- Which of the following atoms has the lowest ionisation potential?
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- Which of the following atoms has the lowest ionisation potential?
- Photocells convert
- A coil of resistance and 1.0 H inductance is connected to an a.c. source of frequency
- In common base mode of a transistor, the collector current is 5.488 mA
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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