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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
- An explosion breaks a rock into three parts in a horizontal plane
- If the radioactive dacay constant of radium is 1.07 x 10⁻⁴ year⁻¹, then its half-life
- A ball rolls without slipping. The raidus of gyration of the ball about an axis
- If R is the radius of the earth and g is the acceleration due to gravity
- The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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