AC Fundamentals, Circuit and Circuit Theory The time constant of the capacitance circuit is defined as the time during which voltage 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 Rises to 38.6% of its final steady value Falls to 36.8% of its final steady value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Capacitive effect between adjacent coil turns Skin effect Increase in temperature Iron loss in core Capacitive effect between adjacent coil turns Skin effect Increase in temperature Iron loss in core ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Voltage Power Frequency Current Voltage Power Frequency Current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Directly as the cross-sectional area of magnetic core Inversely as the length of the iron path Both of the listed here None of the listed here Directly as the cross-sectional area of magnetic core Inversely as the length of the iron path Both of the listed here None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series resonant circuit, the impedance of the circuit is None of these Zero Minimum Maximum None of these Zero Minimum Maximum 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
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