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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
- A compass needle which is allowed to move in a horizontal plane
- A drum of radius R and mass M, rolls down without slipping along an inclined plane
- Ist law of thermadynamics is based on
- The electron of a hydrogen atom revolves round the proton in a circular
- A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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