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 In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will change the maximum value of current at resonance Will change the impedance at resonance frequency Will change the resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the impedance at resonance frequency Will change the resonance frequency Will increase the selectivity of the circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Unity Less than unity Greater than unity Zero Unity Less than unity Greater than unity Zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an inductive circuit is usually improved by connecting capacitor to it in Both parallel and series Series None of the listed here Parallel Both parallel and series Series None of the listed here Parallel ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Sine wave Half wave rectified sine wave Square wave Triangular wave Sine wave Half wave rectified sine wave Square wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In any A.C. circuit always Reactive power is more than apparent power Reactive power is more than actual power Apparent power is more than actual power Actual power is more than reactive power Reactive power is more than apparent power Reactive power is more than actual power Apparent power is more than actual power Actual power is more than reactive power ANSWER DOWNLOAD EXAMIANS APP
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