3. What is the average value of a.c. over a half cycle :
(a) zero
(b) I0 π
(c) 2I0 π
(d) none of these
General Knowledge Books
Related Posts
5555555555 19. The total resistance of eight 5.6 kΩ resistors in series is ________. (a) 8 (b) 5,600 (c) 4,480 (d) 44,800AC Fundamentals » Exercise - 1 8. For a frequency of 200 Hz, the time period will be ________. (a) 0.05 s (b) 0.005 s (c) 0.0005 s (d) 0.5 sAC Circuits » Exercise - 1 1. The capacitor reactance of a capacitor in d.c. circuit in ohms is : (a) 1C ω (b) ωC (c) zero (d) ωAC Circuits » Exercise - 15. Average power in a pure inductive circuit is : (a) irms × vrms (b) 2 irms × vrms (c) 1 (d) zeroAC Circuits » Exercise - 16. The root mean square value of voltage (V) in an AC circuit is : (a) 0.637Vmax (b) 0.707 Vmax (c) 2Vmax (d) 2 Vmax