AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to Peak voltage Average voltage None of the listed here R.m.s. voltage Peak voltage Average voltage None of the listed here R.m.s. voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Skin effect occurs when a conductor carries current at _________ frequencies. High Very low Low Medium High Very low Low Medium ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow At all the time of operation At the time of turning on and off Only at the time of turning off Only at the time of turning on At all the time of operation At the time of turning on and off Only at the time of turning off Only at the time of turning on ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 50 Hz 30 Hz 40 Hz 20 Hz 50 Hz 30 Hz 40 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following refers to a parallel circuit? The current through any one element is less than the source current The voltage across element is in proportion to it's resistance value The equivalent resistance is greater than any one of the resistors The current through each element is same The current through any one element is less than the source current The voltage across element is in proportion to it's resistance value The equivalent resistance is greater than any one of the resistors The current through each element is same 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 Both waves must have zero value at the same time Both waves must have same frequency Both waves must have identical peak values None of the listed here Both waves must have zero value at the same time Both waves must have same frequency Both waves must have identical peak values None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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