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 Skin effect Capacitive effect between adjacent coil turns Increase in temperature Iron loss in core Skin effect Capacitive effect between adjacent coil turns Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 40 kW 32 kW 36 kW 80 kW 40 kW 32 kW 36 kW 80 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Current Power Frequency Voltage Current Power Frequency Voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kVAR kVA kW kV kVAR kVA kW kV 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 decrease Both applied voltage and current increase Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current decrease Both applied voltage and current increase ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Square wave Triangular wave Sine wave Half wave rectified sine wave Square wave Triangular wave Sine wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
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