AC Fundamentals, Circuit and Circuit Theory All the rules and laws of D.C. circuit also apply to A.C. circuit containing Resistance only Inductance only All above Capacitance only Resistance only Inductance only All above Capacitance only 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 Reactive power Volt-amperes True power Instantaneous power Reactive power Volt-amperes True power Instantaneous power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 25% of maximum value 90% of the maximum value 63% of maximum value 50% of maximum value 25% of maximum value 90% of the maximum value 63% of maximum value 50% of maximum value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Greater than unity Less than unity Zero Unity Greater than unity Less than unity Zero Unity 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 Create more electrical noise Exhibit unwanted inductive and capacitive effects Consume more power Are likely to melt under excessive eddy current heat Create more electrical noise Exhibit unwanted inductive and capacitive effects ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to Average voltage Peak voltage R.m.s. voltage None of the listed here Average voltage Peak voltage R.m.s. voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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