AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 180° 30° 90° 60° 180° 30° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces None of these The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit None of these The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Half wave rectified sine wave Sine wave Square wave Triangular wave Half wave rectified sine wave Sine wave Square wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power Volt-amperes True power Reactive power Instantaneous power Volt-amperes True power Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses To reduce voltage regulation of the line All of the listed here To maximize the utilization of the capacities of generators, lines and transformers To reduce line losses To reduce voltage regulation of the line All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a circuit containing R, L and C, power loss can take place in Resistance only Capacitance only All of the listed here Inductance only Resistance only Capacitance only All of the listed here Inductance only ANSWER DOWNLOAD EXAMIANS APP
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