AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 40 Hz 50 Hz 30 Hz 20 Hz 40 Hz 50 Hz 30 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, Both resistance and inductance carry equal currents The current through the resistance is more None of the listed here The current through the resistance is less Both resistance and inductance carry equal currents The current through the resistance is more None of the listed here The current through the resistance is less ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In AC. circuits, laminated iron is invariably used in order to Make assembly cheap and easier Reduce eddy current loss Reduce circuit permeability Increase heat radiation Make assembly cheap and easier Reduce eddy current loss Reduce circuit permeability Increase heat radiation ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies None of the listed here Both of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core None of the listed here Both of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Inadequate slope Defective head regulator All of these Non-regime section Inadequate slope Defective head regulator All of these Non-regime section ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. None of these r.m.s. value of current is less than average value r.m.s. value of current is greater than average value r.m.s. value is equal to average value None of these r.m.s. value of current is less than average value r.m.s. value of current is greater than average value r.m.s. value is equal to average value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS