AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Applied voltage decreases but current increases Both applied voltage and current decrease Applied voltage increases but current decreases Both applied voltage and current increase Applied voltage decreases but current increases Both applied voltage and current decrease Applied voltage increases but current decreases Both applied voltage and current increase ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is Zero 0.5 of peak value 0.707 of peak value Same as peak value Zero 0.5 of peak value 0.707 of peak value Same as peak value 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 Active power Apparent power None of the listed here Reactive power Active power Apparent power None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 360° 90° 0° 180° 360° 90° 0° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Have a high impedance Act like a resistor of low value Have a high voltage developed across each inductive and capacitive section Have current in each section equal to the line current Have a high impedance Act like a resistor of low value 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 Skin effect Capacitive effect between adjacent coil turns Iron loss in core Increase in temperature Skin effect Capacitive effect between adjacent coil turns Iron loss in core Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
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