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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
- When a mass m is attached to a spring, it normally extends by 0.2 m.
- Young’s modulus of perfectly rigid body material is
- Two closed pipes produce 10 beats per second when emitting their fundamental nodes.
- The electric resistance of a certain wire of iron is R. If its length and radius
- There is a ring of radius r having linear charge densityλ and rotating with a uniform
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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