AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 20 Hz 30 Hz 50 Hz 40 Hz 20 Hz 30 Hz 50 Hz 40 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The form factor is the ratio of r.m.s. value to average value None of these Peak value to r.m.s. value Average value to r.m.s. value r.m.s. value to average value None of these Peak value to r.m.s. value Average value to r.m.s. value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 12 kVAR 16 kVAR 10 kVAR 8 kVAR 12 kVAR 16 kVAR 10 kVAR 8 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Are likely to melt under excessive eddy current heat Create more electrical noise Consume more power Exhibit unwanted inductive and capacitive effects Are likely to melt under excessive eddy current heat Create more electrical noise Consume more power Exhibit unwanted inductive and capacitive effects ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an A.C. circuit power is dissipated in Inductance only Capacitance only Resistance only None of the listed here Inductance only Capacitance only Resistance only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be reduced by half Be four times at high Be doubled Be reduced to one fourth Be reduced by half Be four times at high Be doubled Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS