AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Sine wave Half wave rectified sine wave Triangular wave Square wave Sine wave Half wave rectified sine wave Triangular wave Square wave 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? 45° 180° 30° 90° 45° 180° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power Reactive power Volt-amperes True power Instantaneous power Reactive power Volt-amperes True power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The form factor is the ratio of Average value to r.m.s. value Peak value to r.m.s. value r.m.s. value to average value None of these Average value to r.m.s. value Peak value to r.m.s. value r.m.s. value to average value None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Have a high impedance Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Have a high impedance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Greater than unity Unity Less than unity Zero Greater than unity Unity Less than unity Zero ANSWER DOWNLOAD EXAMIANS APP