AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 200 V 141.4 V 282.8 V 127.4 V 200 V 141.4 V 282.8 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Consume more power Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Create more electrical noise Consume more power Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Create more electrical noise ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a purely inductive circuit Apparent power is zero Reactive power is zero None of the listed here Actual power is zero Apparent power is zero Reactive power is zero None of the listed here Actual power is zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power Reactive power True power Volt-amperes Instantaneous power Reactive power True power Volt-amperes ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. High Low Very low Very high High Low Very low Very high 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
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