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The frequency of an alternating voltage is 50 cycles per second and its amplitude is 120 V. Then the r.m.s. value of voltage is
Options
(a) 84.8 V
(b) 101.3 V
(c) 70.7 V
(d) 56.5 V
Correct Answer:
84.8 V
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
- Two discs of moment of inertia I₁ and I₂ and angular speeds ?￢ﾂﾁ and ?￢ﾂﾂ are rotating
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
- Oil spreads over the surface of water where as water does not spread
- Ring, hollow ring and solid sphere are rolled down from inclined plane
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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