AC Fundamentals, Circuit and Circuit Theory In a purely inductive circuit Apparent power is zero Actual power is zero None of the listed here Reactive power is zero Apparent power is zero Actual power is zero None of the listed here Reactive power is zero 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, 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 Depends upon the magnitude of R Depends upon the magnitude of L 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 reduced to one fourth Be reduced by half Be four times at high Be doubled Be reduced to one fourth Be reduced by half Be four times at high Be doubled ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Exhibit unwanted inductive and capacitive effects Are likely to melt under excessive eddy current heat Consume more power Create more electrical noise Exhibit unwanted inductive and capacitive effects Are likely to melt under excessive eddy current heat Consume more power Create more electrical noise ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have a high impedance Have current in each section equal to the line current Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have a high impedance Have current in each section equal to the line current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.707 0.5 Imax 0.9 1.414 Imax 0.707 0.5 Imax 0.9 1.414 Imax ANSWER DOWNLOAD EXAMIANS APP