AC Fundamentals, Circuit and Circuit Theory Capacitive reactance is more when Capacitance is less and frequency of supply is more Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is more Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is less Capacitance is more and frequency of supply is more ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will Be reduced to one fourth Be four times as high Be reduced by half Be doubled Be reduced to one fourth Be four times as high Be reduced by half Be doubled ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At very low frequencies a series R-C circuit behaves as almost purely Inductive None of the listed here Resistive Capacitive Inductive None of the listed here Resistive Capacitive ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by RC2 RC R2C R/C RC2 RC R2C R/C 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. r.m.s. value of current is less than average value None of these r.m.s. value of current is greater than average value r.m.s. value is equal to average value r.m.s. value of current is less than average value None of these r.m.s. value of current is greater than average value r.m.s. value is equal to average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 90° 180° 45° 30° 90° 180° 45° 30° ANSWER DOWNLOAD EXAMIANS APP