AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 180° 30° 90° 60° 180° 30° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a frequency of 200 Hz, the time period will be 0.0005 s 0.005 s 0.05 s 0.5 s 0.0005 s 0.005 s 0.05 s 0.5 s ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of the capacitance circuit is defined as the time during which voltage None of these Falls to 36.8% of its final steady value Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value None of these Falls to 36.8% of its final steady value Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At very low frequencies a series R-C circuit behaves as almost purely Capacitive Inductive None of the listed here Resistive Capacitive Inductive None of the listed here Resistive ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Have current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Have a high impedance Act like a resistor of low value Have current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Have a high impedance Act like a resistor of low value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? None of these 220 V 220 v3 V 220/v3 V None of these 220 V 220 v3 V 220/v3 V ANSWER DOWNLOAD EXAMIANS APP