AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high To reduce voltage regulation of the line To reduce line losses To maximize the utilization of the capacities of generators, lines and transformers All of the listed here To reduce voltage regulation of the line To reduce line losses To maximize the utilization of the capacities of generators, lines and transformers All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Exhibit unwanted inductive and capacitive effects Create more electrical noise Are likely to melt under excessive eddy current heat Consume more power Exhibit unwanted inductive and capacitive effects Create more electrical noise Are likely to melt under excessive eddy current heat Consume more power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a parallel R-C circuit, the current always _________the applied voltage. Remains in phase with Leads Lags None of the listed here Remains in phase with Leads Lags None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to Average voltage Peak voltage None of the listed here R.m.s. voltage Average voltage Peak voltage None of the listed here R.m.s. voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Frequency Power Current Voltage Frequency Power Current Voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? None of the listed here VC and VR VC and VL VL and VR None of the listed here VC and VR VC and VL VL and VR ANSWER DOWNLOAD EXAMIANS APP