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 Iron loss in core Capacitive effect between adjacent coil turns Skin effect Increase in temperature Iron loss in core Capacitive effect between adjacent coil turns Skin effect Increase in temperature 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 Inductance only Capacitance only Resistance only All above Inductance only Capacitance only Resistance only All above ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 15 mA 4 mA 5 mA 9 mA 15 mA 4 mA 5 mA 9 mA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 12 kVAR 8 kVAR 16 kVAR 10 kVAR 12 kVAR 8 kVAR 16 kVAR 10 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow Only at the time of turning on Only at the time of turning off At all the time of operation At the time of turning on and off Only at the time of turning on Only at the time of turning off At all the time of operation At the time of turning on and off ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VL None of these VC and VR VL and VR VC and VL None of these VC and VR VL and VR ANSWER DOWNLOAD EXAMIANS APP