AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very high Low Very low High Very high Low Very low High 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 ohm. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 5 10 25 15 5 10 25 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Capacitance Inductance Conductance Resistance Capacitance Inductance Conductance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit None of these The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 1.414 0.707 0.637 1.11 1.414 0.707 0.637 1.11 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kW kV kVAR kVA kW kV kVAR kVA ANSWER DOWNLOAD EXAMIANS APP
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