AC CIRCUITS - Quiz

1) What is the name of star point in star connection system?

Neutral point Cross point Tapping point Phase tapping wire

2) What will be the neutral current in 3 phase-unbalanced circuits?

One More than one Zero Not zero

3) In a 3 balanced star connected system having a phase voltage of 240V calculate the line voltage in the circuit?

400 V 415 V 430 V 450 V

4) Which type of the power measurement is used for balanced and unbalanced louds in 3 phase system?

Single wattmeter method Two wattmeter method Three wattmeter method Voltmeter and ammeter method