AC Fundamentals, Circuit and Circuit Theory Power factor of an inductive circuit is usually improved by connecting capacitor to it in Both parallel and series Parallel Series None of the listed here Both parallel and series Parallel Series None of the listed here 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 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 63% of maximum value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A sine wave has a frequency of 50 Hz. Its angular frequency is __________ radian/second. 100 n 25 JT 50 jt 5 n 100 n 25 JT 50 jt 5 n ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Zero Greater than unity Unity Less than unity Zero Greater than unity Unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 200 V 127.4 V 141.4 V 282.8 V 200 V 127.4 V 141.4 V 282.8 V 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
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