AC Fundamentals, Circuit and Circuit Theory In a series resonant circuit, the impedance of the circuit is Zero Minimum Maximum None of these Zero Minimum Maximum None of these 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 Capacitive effect between adjacent coil turns Skin effect Iron loss in core Increase in temperature Capacitive effect between adjacent coil turns Skin effect Iron loss in core Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of an inductive circuit Increases with the decrease of inductance and decrease of resistance Increases with increase of inductance and decrease of resistance Increases with the increase of inductance and the increase of resistance Increases with decrease of inductance and increase of resistance Increases with the decrease of inductance and decrease of resistance Increases with increase of inductance and decrease of resistance Increases with the increase of inductance and the increase of resistance Increases with decrease of inductance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Average value Mean value R.m.s. value Peak value Average value Mean value R.m.s. value Peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Increasing core length Choosing core material having high relative permeability Decreasing the number of turns Decreasing the diameter of the former Increasing core length Choosing core material having high relative permeability Decreasing the number of turns Decreasing the diameter of the former ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity A colored tag or band for distinction between different phases of a 3-phase supply An instrument used for measuring phases of an unbalanced 3-phase load A line which represents the magnitude and phase of an alternating quantity A line representing the magnitude and direction of an alternating quantity A colored tag or band for distinction between different phases of a 3-phase supply An instrument used for measuring phases of an unbalanced 3-phase load ANSWER DOWNLOAD EXAMIANS APP
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