AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by RC R2C R/C RC2 RC R2C R/C RC2 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 Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have a high impedance Have current in each section equal to the line current Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have a high impedance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very low Low High Very high Very low Low High Very high ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current can lead or lag by 90° The current is in phase with the voltage The current leads the voltage by 90° The current lags behind the voltage by 90° The current can lead or lag by 90° The current is in phase with the voltage The current leads the voltage by 90° The current lags behind the voltage by 90° 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? 220 V 220/v3 V 220 v3 V None of these 220 V 220/v3 V 220 v3 V None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Triangular wave Square wave Half wave rectified sine wave Sine wave Triangular wave Square wave Half wave rectified sine wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
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