AC Fundamentals, Circuit and Circuit Theory Which of the following waves has the highest value of peak factor ? 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
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Skin effect Capacitive effect between adjacent coil turns Increase in temperature Iron loss in core Skin effect Capacitive effect between adjacent coil turns Increase in temperature Iron loss in core ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 90° 360° 180° 0° 90° 360° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over Unsymmetrical part of the wave form The quarter cycle The half cycle The whole cycle Unsymmetrical part of the wave form The quarter cycle The half cycle The whole cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a parallel R-C circuit, the current always _________the applied voltage. Remains in phase with None of the listed here Lags Leads Remains in phase with None of the listed here Lags Leads 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 180° 90° 60° 30° 180° 90° 60° 30° ANSWER DOWNLOAD EXAMIANS APP