A. average value/r.m.s. value
B. average value/peak value
C. r.m.s. value/average value
D. r.m.s. value/peak value
A. C only
B. L only
C. R only
D. all above
A. both will reach their minimum values at the same instant
B. both will reach their maximum values at the same instant
C. when one wave reaches its maxi¬mum value, the other will reach its minimum value
D. none of the above
A. square wave
B. half wave rectified sine wave
C. triangular wave
D. sine wave
A. apparent power
B. true power
C. reactive power
D. none of the above
A. apparent power is equal to the actual power
B. reactive power is more than the apparent power
C. reactive power is more than the actual power
D. actual power is more than its reactive power
A. the current is in phase with the voltage
B. the current lags behind the voltage by 90°
C. the current leads the voltage by 90°
D. the current can lead or lag by 90°