AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Peak value Average value R.m.s. value Mean value Peak value Average value R.m.s. value Mean value 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 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 Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitive reactance is more when Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is less Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is less Capacitance is less and frequency of supply is more 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 Volt-amperes True power Instantaneous power Reactive power Volt-amperes True power 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 The half cycle The quarter cycle The whole cycle Unsymmetrical part of the wave form The half cycle The quarter cycle The whole cycle Unsymmetrical part of the wave form 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 None of the listed here Both waves must have zero value at the same time Both waves must have identical peak values Both waves must have same frequency None of the listed here Both waves must have zero value at the same time Both waves must have identical peak values Both waves must have same frequency ANSWER DOWNLOAD EXAMIANS APP
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