AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Both applied voltage and current increase Applied voltage increases but current decreases Both applied voltage and current decrease Applied voltage decreases but current increases Both applied voltage and current increase Applied voltage increases but current decreases Both applied voltage and current decrease Applied voltage decreases but current increases ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 42.42 sin 314 t 60 sin 25 t 30 sin 50 t 84.84 sin 25 t 42.42 sin 314 t 60 sin 25 t 30 sin 50 t 84.84 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
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 VL and VR VC and VL None of the listed here VC and VR VL and VR VC and VL None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Peak value R.m.s. value Average value Mean value Peak value R.m.s. value Average value Mean value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of a coil Varies Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here Inversely as the length of the iron path Directly as the cross-sectional area of magnetic core Both of the listed here None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Frequency Current Voltage Power Frequency Current Voltage Power ANSWER DOWNLOAD EXAMIANS APP
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