AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VR VC and VL VL and VR None of these VC and VR VC and VL VL and VR None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Apparent power is equal to the actual power Actual power is more than its reactive power Reactive power is more than the apparent power Reactive power is more than the actual power Apparent power is equal to the actual power Actual power is more than its reactive power Reactive power is more than the apparent power Reactive power is more than the actual power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have identical peak values Both waves must have zero value at the same time Both waves must have same frequency None of the listed here Both waves must have identical peak values Both waves must have zero value at the same time Both waves must have same frequency None of the listed here 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 Increase in temperature Skin effect Iron loss in core Capacitive effect between adjacent coil turns Increase in temperature Skin effect Iron loss in core Capacitive effect between adjacent coil turns ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Directly as the cross-sectional area of magnetic core None of the listed here Both of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core None of the listed here Both of the listed here Inversely as the length of the iron path ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 60° 30° 180° 90° 60° 30° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
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