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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
- At what distance from the centre of earth, the value of acceleration due to gravity
- Three capacitors each of capacity 4 μF are to be connected in such a way that the effective
- The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
- If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength
- The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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