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° 60° 90° 180° 30° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R2C RC R/C RC2 R2C RC 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 Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have a high impedance Have current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have a high impedance 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 is in phase with the voltage The current can lead or lag by 90° The current leads the voltage by 90° The current lags behind the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current leads the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 50 Hz 250 Hz 200 Hz 150 Hz 50 Hz 250 Hz 200 Hz 150 Hz ANSWER DOWNLOAD EXAMIANS APP