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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
- For a parallel beam of monochromatic light of wavelength λ diffraction is produced
- The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
- When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
- A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats
- Time period of oscillation of a magnet is 2 sec. When it is remagnetised
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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