AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Emax ___________ the average value is 0.636 Emax 0.434 Emax 0.707 Emax None of the listed here 0.636 Emax 0.434 Emax 0.707 Emax None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current leads the voltage by 90° The current can lead or lag by 90° The current lags behind the voltage by 90° The current is in phase with the voltage The current leads the voltage by 90° The current can lead or lag by 90° The current lags behind the voltage by 90° The current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The square waveform of current has following relation between r.m.s. value and average value. r.m.s. value of current is less than average value r.m.s. value is equal to average value None of these r.m.s. value of current is greater than average value r.m.s. value of current is less than average value r.m.s. value is equal to average value None of these r.m.s. value of current is greater than average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? None of these 220 v3 V 220 V 220/v3 V None of these 220 v3 V 220 V 220/v3 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Applied voltage decreases but current increases Both applied voltage and current decrease Applied voltage increases but current decreases Both applied voltage and current increase Applied voltage decreases but current increases Both applied voltage and current decrease Applied voltage increases but current decreases Both applied voltage and current increase ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.637 0.707 1.11 1.414 0.637 0.707 1.11 1.414 ANSWER DOWNLOAD EXAMIANS APP
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