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 32 kW 40 kW 80 kW 36 kW 32 kW 40 kW 80 kW 36 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit None of the listed here Current lags behind the voltage by 90° Current is in phase with the voltage Current can lead or lag the voltage by 90° None of the listed here Current lags behind the voltage by 90° Current is in phase with the voltage Current can lead or lag the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Resistance Conductance Capacitance Inductance Resistance Conductance Capacitance Inductance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.637 1.414 0.707 1.11 0.637 1.414 0.707 1.11 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Have current in each section equal to the line current Act like a resistor of low value Have a high impedance Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Act like a resistor of low value Have a high impedance Have a high voltage developed across each inductive and capacitive section ANSWER DOWNLOAD EXAMIANS APP
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 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 Iron loss in core ANSWER DOWNLOAD EXAMIANS APP
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