AC Fundamentals » Exercise - 1 31. The power consumed in a circuit element will be least when the phase difference between the current and voltage is ________. (a) 00 (b) 300 (c) 900 (d) 1800
AC Fundamentals » Exercise - 1 24. In a pure capacitor, the voltage ________. (a) is in phase with the current (b) is out of phase with the current (c) lags behind the current by 900 (d) leads the current by 900
AC Fundamentals » Exercise - 1 28. The current in a pure inductor ________. (a) lags behind the voltage by 900 (b) leads the voltage by 900 (c) is in phase with the voltage (d) lags behind the voltage by 450
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