AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 50 Hz 20 Hz 40 Hz 30 Hz 50 Hz 20 Hz 40 Hz 30 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series resonant circuit, the impedance of the circuit is None of these Maximum Minimum Zero None of these Maximum Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here Inversely as the length of the iron path 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 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 None of these The more heat than produced by A.C. when flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The best place to install a capacitor is Across the terminals of the inductive load Very near to inductive load Far away from the inductive load Any of the listed here Across the terminals of the inductive load Very near to inductive load Far away from the inductive load Any of the listed here 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? 90° 180° 45° 30° 90° 180° 45° 30° ANSWER DOWNLOAD EXAMIANS APP