AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VL and VR None of the listed here VC and VR VC and VL VL and VR None of the listed here VC and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 25% of maximum value 90% of the maximum value 50% of maximum value 63% of maximum value 25% of maximum value 90% of the maximum value 50% of maximum value 63% of maximum value 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 increase in impedance Series resonance needs a high-resistance source for sharp increase in current Parallel resonance needs a low-resistance source for a sharp rise in line current Series resistance needs a low-resistance source for sharp rise in 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 Parallel resonance needs a low-resistance source for a sharp rise in line current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Magnitude of current at resonance in R-L-C circuit Depends upon the magnitude of R Depends upon the magnitude of L Depends upon the magnitude of R, Land C Depends upon the magnitude of C Depends upon the magnitude of R Depends upon the magnitude of L Depends upon the magnitude of R, Land C Depends upon the magnitude of C 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 Which of the following refers to a parallel circuit? The current through any one element is less than the source current The equivalent resistance is greater than any one of the resistors The voltage across element is in proportion to it's resistance value The current through each element is same The current through any one element is less than the source current The equivalent resistance is greater than any one of the resistors The voltage across element is in proportion to it's resistance value The current through each element is same ANSWER DOWNLOAD EXAMIANS APP
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