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 Increase in temperature Iron loss in core Skin effect Capacitive effect between adjacent coil turns Increase in temperature Iron loss in core Skin effect ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All the rules and laws of D.C. circuit also apply to A.C. circuit containing All above Capacitance only Resistance only Inductance only All above Capacitance only Resistance only Inductance only 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 25 5 15 10 25 5 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Apparent power is equal to the actual power Reactive power is more than the apparent power Actual power is more than its reactive power Reactive power is more than the actual power Apparent power is equal to the actual power Reactive power is more than the apparent power Actual power is more than its reactive power Reactive power is more than the actual power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The voltage across element is in proportion to it's resistance value The current through each element is same The current through any one element is less than the source current The equivalent resistance is greater than any one of the resistors The voltage across element is in proportion to it's resistance value The current through each element is same The current through any one element is less than the source current The equivalent resistance is greater than any one of the resistors ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Impedance of the circuit Changes in the stored energy in the inductors and capacitors Applied voltage to the circuit Resistance of the circuit Impedance of the circuit Changes in the stored energy in the inductors and capacitors Applied voltage to the circuit Resistance of the circuit ANSWER DOWNLOAD EXAMIANS APP
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