Question 1044 of 844 · Washington 01 Journey Level Electrician Exam
In a three-phase system, the three voltages are displaced from each other by:
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 1044
- C: 120 electrical degrees
Explanation
A three-phase supply has three sine waves of equal magnitude spaced 120 electrical degrees apart, which together complete 360 degrees.
More questions: Definitions, Theory and Plans
- 1045In a wye-connected system, the line-to-line voltage equals the line-to-neutral voltage multiplied by:
- 1046On a 208Y/120-volt three-phase, four-wire system, what voltage is measured from any phase conductor to the neutral?
- 1047On a 480Y/277-volt system, what is the voltage between any two phase conductors?
- 1048In a delta-connected transformer winding, the line current equals the phase (winding) current multiplied by:
- 1049On a 240/120-volt three-phase, four-wire delta system with a center-tapped winding, the high leg measures approximately how many volts to the neutral?
- 1050On a balanced three-phase, four-wire wye system serving only linear resistive loads, the neutral current is: