AC Fundamentals, Circuit and Circuit Theory At very low frequencies a series R-C circuit behaves as almost purely Inductive Resistive Capacitive None of the listed here Inductive Resistive Capacitive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Zero Unity Greater than unity Less than unity Zero Unity Greater than unity Less than unity 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 90% of the maximum value 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 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit Does not take power at all from a line None of the listed here Consumes some power on average Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle Does not take power at all from a line None of the listed here Consumes some power on average Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Create more electrical noise Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Consume more power Create more electrical noise Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Consume more power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to The statement given is false The big size of the inductor The reactance of the inductor The current flowing in the inductor The statement given is false The big size of the inductor The reactance of the inductor The current flowing in the inductor ANSWER DOWNLOAD EXAMIANS APP
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