THREE PHASE CIRCUIT - Quiz

1) What is the angular displacement of 3 phase voltages?

120 electrical degrees 90 electrical degrees 180 electrical degrees 360 electrical degrees

2) What is the line voltage if phase voltage is 415V in delta connection?

415V 400V 240V 138V

3) Which is the type of load when the phase currents of a 3 phase circuit are same?

Balanced load Unbalanced load No load Full load

4) Which is the type of load if the phase currents of a 3 phase system are different?

Full load No load Balanced load Unbalanced load

5) How many number of watt meter to be used for balanced 3 phase power measurement?

One Two Three Four