AC Fundamentals, Circuit and Circuit Theory Poor power factor Reduces load handling capability of electrical system Overloads alternators, transformers and distribution lines All of the listed here Results in more power losses in the electrical system Reduces load handling capability of electrical system Overloads alternators, transformers and distribution lines All of the listed here Results in more power losses in the electrical system ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant Between 90° and 180° Between 0° and 90° Between 180° and 270° No where Between 90° and 180° Between 0° and 90° Between 180° and 270° No where ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Greater than unity Zero Less than unity Unity Greater than unity Zero Less than unity Unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to R/Z all of these Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage R/Z all of these Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage 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 time constant of a series R-C circuit is given by R/C RC R2C RC2 R/C RC R2C RC2 ANSWER DOWNLOAD EXAMIANS APP
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