Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?
Options: The voltage remains at one polarity and at a steady level, The voltage remains at one polarity but changes value periodically, The voltage causes current to flow in two directions at the same time, The voltage reverses polarity periodically
Options: (A)The probability that the system will cause an accident (B) Extent to which a system or component can function correctly in the presence of invalid inputs or stressful environment conditions. (C) The frequency of occurrence with which unexpected behavior is likely to occur. (D) None of these 23