AC Fundamentals, Circuit and Circuit Theory Capacitive reactance is more when Capacitance is more and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is less Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is less 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 Which of the following waves has the highest value of peak factor ? Sine wave Half wave rectified sine wave Triangular wave Square wave Sine wave Half wave rectified sine wave Triangular wave Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines All of the listed here Reduces load handling capability of electrical system Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines All of the listed here Reduces load handling capability of electrical system ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of kW and kVA Ratio of W and VA Ratio of net reactance and impedance Ratio of J and Z Ratio of kW and kVA Ratio of W and VA Ratio of net reactance and impedance Ratio of J and Z 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 None of the listed here Both waves must have identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of the listed here Both waves must have identical peak values Both waves must have same frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 45° 180° 30° 90° 45° 180° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
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