AC Fundamentals, Circuit and Circuit Theory Ohm is unit of all of the following except Resistance Capacitive reactance Inductive reactance Capacitance Resistance Capacitive reactance Inductive reactance Capacitance 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 half cycle Unsymmetrical part of the wave form The whole cycle The quarter cycle The half cycle Unsymmetrical part of the wave form The whole cycle The quarter cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 60 sin 25 t 30 sin 50 t 84.84 sin 25 t 42.42 sin 314 t 60 sin 25 t 30 sin 50 t 84.84 sin 25 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of L only L or C C only R only L only L or C C only R only 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 R Depends upon the magnitude of C Depends upon the magnitude of R, Land C Depends upon the magnitude of L Depends upon the magnitude of R Depends upon the magnitude of C Depends upon the magnitude of R, Land C Depends upon the magnitude of L 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 63% of maximum value 90% of the maximum value 50% of maximum value 25% of maximum value 63% of maximum value 90% of the maximum value 50% of maximum value 25% of maximum value ANSWER DOWNLOAD EXAMIANS APP
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