# AC Fundamentals – 54

5555555555

54. The average half-cycle value of a sine wave with a 40 V peak is ________.

(a) 25.48 V
(b) 6.37 V
(c) 14.14 V
(d) 50.96 V

Explanation
Explanation :

METHOD-1

Vavg = 2Vp / π = 2 * 40 / 3.14 = 25.48 V

METHOD-2

Vavg = Vp * 0.637 = 40 * 0.637 = 25.48 V

 Subject Name : Electrical Engineering Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant
 Electrical Engineering Books Sale Objective Electrical Technology (2018-19 Session) V.K Mehta (Author); English (Publication Language); 1089 Pages - 11/30/2004 (Publication Date) - S Chand (Publisher) ₹ 529 An Integrated Course in Electrical Engineering J.B. Gupta (Author); English (Publication Language); 1100 Pages - 01/01/2013 (Publication Date) - S.K. Kataria & Sons (Publisher) ₹ 895 Basic Electrical Engg Binding: paperback; Language: english; This product will be an excellent pick for you; V.K Mehta (Author) ₹ 682 Sale Basic Electrical Engineering Revised First Edition Product Condition: No Defects; Kulshreshtha, D C (Author); English (Publication Language); 880 Pages - 07/01/2017 (Publication Date) - McGraw Hill Education (Publisher) ₹ 275 Sale A Handbook for Electrical Engineering(Old Edition) ME Team (Author); English (Publication Language); 692 Pages - 01/01/2015 (Publication Date) - Made Easy Publications (Publisher) ₹ 210

## Related Posts

• 5555555555 53. The average value of a 12 V peak sine wave over one complete cycle is ________. (a) 0 V (b) 1.27 V (c) 7.64 V (d) 6.37 V
Tags: ac, fundamentals, average, peak, sine, wave, basic, electrical, engineering
• 5555555555 48. If the peak of a sine wave is 13 V, the peak-to-peak value is ________. (a) 6.5 V (b) 13 V (c) 26 V (d) none of the above
Tags: ac, fundamentals, peak, sine, wave, basic, electrical, engineering
• AC Fundamentals » Exercise - 1 23. A sine wave has a positive going zero crossing at 00 and an rms value of 20 V. What is its instantaneous value at 1450 ________. (a) 7.32 V (b) 16.22 V (c) 26.57 V (d) 21.66 V
Tags: ac, fundamentals, sine, wave, basic, electrical, engineering
• 5555555555 62. A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is ________. (a) 6 V (b) 30 V (c) 35 V (d) 0 V
Tags: ac, fundamentals, sine, wave, basic, electrical, engineering
• 5555555555 47. When a sine wave has a frequency of 100 Hz in 12 s it goes through ________. (a) 1/100 cycle (b) 12 cycles (c) 120 cycles (d) 1,200 cycles
Tags: ac, fundamentals, sine, wave, basic, electrical, engineering