AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R2C RC R/C RC2 R2C RC R/C RC2 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The half cycle The whole cycle The quarter cycle Unsymmetrical part of the wave form The half cycle The whole cycle The quarter cycle Unsymmetrical part of the wave form ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 282.8 V 127.4 V 200 V 141.4 V 282.8 V 127.4 V 200 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, The current through the resistance is less Both resistance and inductance carry equal currents None of the listed here The current through the resistance is more The current through the resistance is less Both resistance and inductance carry equal currents None of the listed here The current through the resistance is more ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? 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 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 Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines ANSWER DOWNLOAD EXAMIANS APP
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