Which of the following is true about an impulse voltage?
A.It is a unidirectional voltage
B.Chopped impulse flashover does not occur
C.Time taken to rise is equal to time taken to fall
D.RMS value is always less than 50% of average value
Answer:A
Which of the following is true about an impulse voltage?
A.It is a unidirectional voltage B.Chopped impulse flashover does not occur C.Time taken to rise is equal to time taken to fall D.RMS value is always less than 50% of average value