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 Both waves must have same frequency Both waves must have zero value at the same time Both waves must have identical peak values None of the listed here Both waves must have same frequency Both waves must have zero value at the same time Both waves must have identical peak values None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A sine wave has a frequency of 50 Hz. Its angular frequency is __________ radian/second. 5 n 100 n 25 JT 50 jt 5 n 100 n 25 JT 50 jt ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will 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 Have current in each section equal to the line current Act like a resistor of low value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the decrease of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Increasing core length Decreasing the number of turns Choosing core material having high relative permeability Decreasing the diameter of the former Increasing core length Decreasing the number of turns Choosing core material having high relative permeability Decreasing the diameter of the former 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? 180° 30° 45° 90° 180° 30° 45° 90° ANSWER DOWNLOAD EXAMIANS APP