AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 90° 180° 60° 30° 90° 180° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form Factor is the ratio of r.m.s. value/peak value Average value/peak value r.m.s. value/average value Average value/r.m.s. value r.m.s. value/peak value Average value/peak value r.m.s. value/average value Average value/r.m.s. value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, The current through the resistance is less Both resistance and inductance carry equal currents None of the listed here The current through the resistance is more The current through the resistance is less Both resistance and inductance carry equal currents None of the listed here The current through the resistance is more ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the decrease of capacitance and decrease of resistance Increases with the increase of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the increase of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 2.5 10 5 15 2.5 10 5 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All the rules and laws of D.C. circuit also apply to A.C. circuit containing All above Resistance only Capacitance only Inductance only All above Resistance only Capacitance only Inductance only ANSWER DOWNLOAD EXAMIANS APP
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