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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.
Related Questions: - In the phenomenon of electric discharge through gases at low pressure,
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the phenomenon of electric discharge through gases at low pressure,
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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