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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
- The sun light reaches us as white and not as its components because
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
- A galvanometer has a resistance 50Ω. A resistance of 5Ω is connected parallel to it.
- A simple pendulum oscillates in a vertical plane. When it passes through the mean
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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