AC Fundamentals, Circuit and Circuit Theory Inductance of coil Increases with the increase in supply frequency Is unaffected by the supply frequency Decreases with the increase in supply frequency Becomes zero with the increase in supply frequency Increases with the increase in supply frequency Is unaffected by the supply frequency Decreases with the increase in supply frequency Becomes zero with the increase in supply frequency 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 reactance of the inductor The current flowing in the inductor The statement given is false The big size of the inductor The reactance of the inductor The current flowing in the inductor The statement given is false The big size of the inductor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Average value Peak value R.m.s. value Mean value Average value Peak value R.m.s. value Mean value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Ohm is unit of all of the following except Inductive reactance Resistance Capacitance Capacitive reactance Inductive reactance Resistance Capacitance Capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by RC2 RC R2C R/C RC2 RC R2C R/C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 10 15 25 5 10 15 25 5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS