AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Inversely as the length of the iron path None of the listed here Directly as the cross-sectional area of magnetic core Both of the listed here Inversely as the length of the iron path None of the listed here Directly as the cross-sectional area of magnetic core Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 2.5 15 10 5 2.5 15 10 5 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The best place to install a capacitor is Very near to inductive load Far away from the inductive load Any of the listed here Across the terminals of the inductive load Very near to inductive load Far away from the inductive load Any of the listed here Across the terminals of the inductive load 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 current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Have a high impedance Act like a resistor of low value Have current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Have a high impedance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS