AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Greater than unity Zero Less than unity Unity Greater than unity Zero Less than unity Unity 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 4 mA 9 mA 5 mA 15 mA 4 mA 9 mA 5 mA 15 mA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity Inductance None of the listed here Capacitance Resistance Inductance None of the listed here Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current increase Both applied voltage and current decrease Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current increase Both applied voltage and current decrease 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
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Maximum load current Low efficiency Unity power factor High power factor Maximum load current Low efficiency Unity power factor High power factor ANSWER DOWNLOAD EXAMIANS APP