AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? None of these VC and VR VL and VR VC and VL None of these VC and VR VL and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be four times at high Be reduced by half Be doubled Be reduced to one fourth Be four times at high Be reduced by half Be doubled Be reduced to one fourth ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Capacitance Resistance Inductance Conductance Capacitance Resistance Inductance Conductance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is Reactive power Apparent power None of the listed here Active power Reactive power Apparent power None of the listed here Active power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow Only at the time of turning off Only at the time of turning on At the time of turning on and off At all the time of operation Only at the time of turning off Only at the time of turning on At the time of turning on and off At all the time of operation ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The series and parallel resonance on L-C circuit' differs in that Series resistance needs a low-resistance source for sharp rise in current Parallel resonance needs a low-resistance source for a sharp rise in line current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resonance needs a high-resistance source for sharp increase in current Series resistance needs a low-resistance source for sharp rise in current Parallel resonance needs a low-resistance source for a sharp rise in line current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resonance needs a high-resistance source for sharp increase in current ANSWER DOWNLOAD EXAMIANS APP