AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high All of the listed here To maximize the utilization of the capacities of generators, lines and transformers To reduce voltage regulation of the line To reduce line losses All of the listed here To maximize the utilization of the capacities of generators, lines and transformers To reduce voltage regulation of the line To reduce line losses ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be zero Capacitance Inductance Both of the listed here Resistance Capacitance Inductance Both of the listed here Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have same frequency None of the listed here Both waves must have zero value at the same time Both waves must have identical peak values Both waves must have same frequency None of the listed here Both waves must have zero value at the same time Both waves must have identical peak values 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 Iron loss in core Increase in temperature Skin effect Capacitive effect between adjacent coil turns Iron loss in core Increase in temperature Skin effect ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Both of the listed here Directly as the cross-sectional area of magnetic core None of the listed here Inversely as the length of the iron path Both of the listed here Directly as the cross-sectional area of magnetic core None of the listed here Inversely as the length of the iron path ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 84.84 sin 3141 60 sin 25 t 60 sin 50 t 42.42 sin 314 t 84.84 sin 3141 60 sin 25 t 60 sin 50 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
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