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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: - During production of cathode ray
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- Three fourth of the active material decays in a radioactive sample in 3/4 sec
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- During production of cathode ray
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- Three fourth of the active material decays in a radioactive sample in 3/4 sec
- The magnetic field in a certain region of space is given by B =8.35×10⁻² Î T.
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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