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 The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 60 sin 50 t 60 sin 25 t 42.42 sin 314 t 84.84 sin 3141 60 sin 50 t 60 sin 25 t 42.42 sin 314 t 84.84 sin 3141 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The best place to install a capacitor is Very near to inductive load Any of the listed here Across the terminals of the inductive load Far away from the inductive load Very near to inductive load Any of the listed here Across the terminals of the inductive load Far away from the inductive load ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be 282.8 V 111 V 100 V 141.4 V 282.8 V 111 V 100 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over Unsymmetrical part of the wave form The whole cycle The quarter cycle The half cycle Unsymmetrical part of the wave form The whole cycle The quarter cycle The half cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current can lead or lag the voltage by 90° None of the listed here Current lags behind the voltage by 90° Current is in phase with the voltage Current can lead or lag the voltage by 90° None of the listed here Current lags behind the voltage by 90° Current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
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