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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
- The coefficient of mutual inductance of two coils is 6 mH. If the current flowing
- If two soap bubbles of different radii are connected by a tube
- A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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