AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is True power Instantaneous power Volt-amperes Reactive power True power Instantaneous power Volt-amperes Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of W and VA Ratio of kW and kVA Ratio of net reactance and impedance Ratio of J and Z Ratio of W and VA Ratio of kW and kVA Ratio of net reactance and impedance Ratio of J and Z 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 current in each section equal to the line current Have a high impedance Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have current in each section equal to the line current 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 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 The time constant of the capacitance circuit is defined as the time during which voltage Rises to 38.6% of its final steady value Falls to 36.8% of its final steady value None of these Rises to 63.2% of its final steady value Rises to 38.6% of its final steady value Falls to 36.8% of its final steady value None of these Rises to 63.2% of its final steady value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.9 0.5 Imax 0.707 1.414 Imax 0.9 0.5 Imax 0.707 1.414 Imax ANSWER DOWNLOAD EXAMIANS APP
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