AC Circuit - Resistive Circuit objective questions (mcq) and answers

1.  In a purely resistive, the average power P_av is..........the peak power P_max

   A. Double

   B. One-half of

   C. One-fourth

   D. Equal to

2.  In a pure resistive circuit

   A. Current lags behind the voltage by 90^o

   B. Current leads the voltage by 90^o

   C. Current can lead or lag the voltage by 90^o

   D. Current is in phase with the voltage

3.  For a purely resistive circuit the following statement is in correct

   A. Work done is zero

   B. Power consumed is zero

   C. Heat produced is zero

   D. Power factor is unity