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Which of These Does a Single Phase Electricity Current Look

Question 8

Multiple Choice

Which of these does a single phase electricity current look like on an oscilloscope screen? (Hint, draw them.)

A) Zero phase angle maximum positive current, 90^o phase angle zero current, 180^o phase angle maximum negative current
B) Zero phase angle zero current, 90^o phase angle maximum positive current, 180^o phase angle zero current
C) Zero phase angle 50% maximum positive current, 90^o phase angle 100% positive current, 180^o phase angle zero current
D) 135^o phase angle zero current, 225^o phase angle maximum negative current, 315^o phase angle zero current
E) Zero phase angle zero maximum negative current, 90^o phase angle zero current, 180^o phase angle maximum positive current