AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be 100 V 141.4 V 111 V 282.8 V 100 V 141.4 V 111 V 282.8 V 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 voltage developed across each inductive and capacitive section Have a high impedance Have current in each section equal to the line current Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have a high impedance 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 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses All of the listed here To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 25% of maximum value 50% of maximum value 63% of maximum value 90% of the maximum value 25% of maximum value 50% of maximum value 63% of maximum value 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kV kVAR kVA kW kV kVAR kVA kW ANSWER DOWNLOAD EXAMIANS APP
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