AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 50% of maximum value 90% of the maximum value 25% of maximum value 63% of maximum value 50% of maximum value 90% of the maximum value 25% of maximum value 63% of maximum value 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, 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 Depends upon the magnitude of R Depends upon the magnitude of C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Current is minimum Voltage across C is minimum Impedance is maximum Current is maximum Current is minimum Voltage across C is minimum Impedance is maximum Current is maximum 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 R only L or C L only C only R only L or C L only C only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high All of the listed here To reduce line losses To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers All of the listed here To reduce line losses To reduce voltage regulation of the line To maximize the utilization of the capacities of generators, lines and transformers ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 200 V 141.4 V 282.8 V 127.4 V 200 V 141.4 V 282.8 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS