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 zero value at the same time None of these 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 these Both waves must have identical peak values Both waves must have same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form Factor is the ratio of Average value/r.m.s. value r.m.s. value/average value r.m.s. value/peak value Average value/peak value Average value/r.m.s. value r.m.s. value/average value r.m.s. value/peak value Average value/peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The equivalent resistance is greater than any one of the resistors The current through any one element is less than the source current The current through each element is same The voltage across element is in proportion to it's resistance value The equivalent resistance is greater than any one of the resistors The current through any one element is less than the source current The current through each element is same The voltage across element is in proportion to it's resistance value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to R/Z Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage all of these R/Z Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage all of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Have current in each section equal to the line current Act like a resistor of low value Have a high impedance Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Act like a resistor of low value Have a high impedance Have a high voltage developed across each inductive and capacitive section ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 30 sin 50 t 60 sin 25 t 84.84 sin 25 t 42.42 sin 314 t 30 sin 50 t 60 sin 25 t 84.84 sin 25 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
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