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 For a sine wave with peak value Imax the r.m.s. value is 1.414 Imax 0.9 0.5 Imax 0.707 1.414 Imax 0.9 0.5 Imax 0.707 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 The quarter cycle The whole cycle The half cycle Unsymmetrical part of the wave form The quarter cycle The whole cycle The half cycle Unsymmetrical part of the wave form ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by RC R2C RC2 R/C RC R2C RC2 R/C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VL VL and VR None of these VC and VR VC and VL VL and VR None of these VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Non-regime section All of these Defective head regulator Inadequate slope Non-regime section All of these Defective head regulator Inadequate slope ANSWER DOWNLOAD EXAMIANS APP