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 40 kW 36 kW 32 kW 80 kW 40 kW 36 kW 32 kW 80 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a frequency of 200 Hz, the time period will be 0.5 s 0.005 s 0.0005 s 0.05 s 0.5 s 0.005 s 0.0005 s 0.05 s ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 9 mA 4 mA 5 mA 15 mA 9 mA 4 mA 5 mA 15 mA 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 0.9 0.5 Imax 1.414 Imax 0.707 0.9 0.5 Imax 1.414 Imax 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 identical peak values Both waves must have same frequency None of these 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 these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of C only R only L or C L only C only R only L or C L only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS