AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 1.414 Imax 0.707 0.5 Imax 0.9 1.414 Imax 0.707 0.5 Imax 0.9 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? 30° 90° 45° 180° 30° 90° 45° 180° ANSWER DOWNLOAD EXAMIANS APP
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 series and parallel resonance on L-C circuit' differs in that Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current Parallel resonance needs a low-resistance source for a sharp rise in line current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resistance needs a low-resistance source for sharp rise in current Series resonance needs a high-resistance source for sharp increase in current Parallel resonance needs a low-resistance source for a sharp rise in line current ANSWER DOWNLOAD EXAMIANS APP
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 identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of the listed here Both waves must have identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant No where Between 180° and 270° Between 0° and 90° Between 90° and 180° No where Between 180° and 270° Between 0° and 90° Between 90° and 180° ANSWER DOWNLOAD EXAMIANS APP