AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current lags behind the voltage by 90° None of the listed here Current can lead or lag the voltage by 90° Current is in phase with the voltage Current lags behind the voltage by 90° None of the listed here Current can lead or lag the voltage by 90° Current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of pure cosine function is 0.5 of peak value 0.707 of peak value Zero Same as peak value 0.5 of peak value 0.707 of peak value Zero Same as peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Applied voltage increases but current decreases Both applied voltage and current decrease Both applied voltage and current increase Applied voltage decreases but current increases Applied voltage increases but current decreases Both applied voltage and current decrease Both applied voltage and current increase Applied voltage decreases but current increases ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 141.4 V 282.8 V 200 V 127.4 V 141.4 V 282.8 V 200 V 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 None of these VC and VL VL and VR VC and VR None of these VC and VL VL and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. High Very high Low Very low High Very high Low Very low ANSWER DOWNLOAD EXAMIANS APP
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