AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 80 kW 40 kW 36 kW 32 kW 80 kW 40 kW 36 kW 32 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of electrons passing through a point in one second The speed with which the alternator runs The number of waves passing through a point in one second The number of cycles generated in one minute The number of electrons passing through a point in one second The speed with which the alternator runs The number of waves passing through a point in one second The number of cycles generated in one minute ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents R.m.s. value Mean value Average value Peak value R.m.s. value Mean value Average value Peak value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series resonant circuit, the impedance of the circuit is None of these Minimum Maximum Zero None of these Minimum Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.707 0.5 Imax 0.9 1.414 Imax 0.707 0.5 Imax 0.9 1.414 Imax ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees. 45 60 90 30 45 60 90 30 ANSWER DOWNLOAD EXAMIANS APP
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