AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high All of the listed here To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses All of the listed here To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Ohm is unit of all of the following except Capacitance Inductive reactance Capacitive reactance Resistance Capacitance Inductive reactance Capacitive reactance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a frequency of 200 Hz, the time period will be 0.05 s 0.5 s 0.0005 s 0.005 s 0.05 s 0.5 s 0.0005 s 0.005 s ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Less than unity Zero Greater than unity Unity Less than unity Zero Greater than unity Unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Zero 0.707 of peak value 0.5 of peak value Same as peak value Zero 0.707 of peak value 0.5 of peak value Same as peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 20 Hz 50 Hz 30 Hz 40 Hz 20 Hz 50 Hz 30 Hz 40 Hz ANSWER DOWNLOAD EXAMIANS APP