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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 core of a transformer is laminated because
- Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ
- A gaussian sphere encloses an electric dipole within it. The total flux
- A bar magnet has a coercivity of 4×10³ Am⁻¹. It is placed inside a solenoid
- In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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