AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents R.m.s. value Mean value Peak value Average value R.m.s. value Mean value Peak value Average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces None of these The more heat than produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these The more heat than produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant No where Between 180° and 270° Between 90° and 180° Between 0° and 90° No where Between 180° and 270° Between 90° and 180° Between 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 141.4 V 282.8 V 200 V 127.4 V 141.4 V 282.8 V 200 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that None of these Both waves must have zero value at the same time Both waves must have identical peak values Both waves must have same frequency None of these Both waves must have zero value at the same time Both waves must have identical peak values Both waves must have same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current lags behind the voltage by 90° The current can lead or lag by 90° The current leads the voltage by 90° The current is in phase with the voltage The current lags behind the voltage by 90° The current can lead or lag by 90° The current leads the voltage by 90° The current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP