AC Fundamentals, Circuit and Circuit Theory Which of the following coil will have large resonant frequency? A coil with large distributed capacitance A coil with large resistance A coil with low resistance A coil with low distributed capacitance A coil with large distributed capacitance A coil with large resistance A coil with low resistance A coil with low distributed capacitance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 5 10 15 2.5 5 10 15 2.5 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit All of the listed here Power is consumed in resistance and is equal to IR Exchange of power takes place between inductor and supply line Exchange of power takes place between capacitor and supply line All of the listed here Power is consumed in resistance and is equal to IR Exchange of power takes place between inductor and supply line Exchange of power takes place between capacitor and supply line ANSWER DOWNLOAD EXAMIANS APP
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 30° 90° 60° 180° 30° 90° 60° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit Does not take power at all from a line None of the listed here Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle Consumes some power on average Does not take power at all from a line None of the listed here Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle Consumes some power on average ANSWER DOWNLOAD EXAMIANS APP