AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R2C R/C RC2 RC R2C R/C RC2 RC ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies None of the listed here Both of the listed here Directly as the cross-sectional area of magnetic core Inversely as the length of the iron path None of the listed here Both of the listed here Directly as the cross-sectional area of magnetic core Inversely as the length of the iron path ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The quarter cycle The half cycle The whole cycle Unsymmetrical part of the wave form The quarter cycle The half cycle The whole cycle Unsymmetrical part of the wave form ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of the capacitance circuit is defined as the time during which voltage Falls to 36.8% of its final steady value Rises to 38.6% of its final steady value Rises to 63.2% of its final steady value None of these Falls to 36.8% of its final steady value Rises to 38.6% of its final steady value Rises to 63.2% of its final steady value None of these 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 current flowing in the inductor The big size of the inductor The reactance of the inductor The statement given is false The current flowing in the inductor The big size of the inductor The reactance of the inductor The statement given is false ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Magnitude of current at resonance in R-L-C circuit Depends upon the magnitude of L Depends upon the magnitude of C Depends upon the magnitude of R Depends upon the magnitude of R, Land C Depends upon the magnitude of L Depends upon the magnitude of C Depends upon the magnitude of R Depends upon the magnitude of R, Land C ANSWER DOWNLOAD EXAMIANS APP
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