Transmission and distribution

1.1 kV

3.3 kV

6.6 kV

11 kV

Resistance

Inductance

Capacitance

All of the above

Dead ended

At intermediate anchor towers

Any of the above

None of the above

Distributors

Service mains

Feeders

None of the above

1-phase 3-wire

1-phase 4-wire

3-phase 3-wire

3-phase 4-wire

Direct laying

Draw-in-system

Solid system

All of the above

25 percent

50 percent

2-wire feeder is increased 100 percent, saving in copper is A. 25 percent B. 50 percent C. 75 percent

100 percent

Steel cored aluminium

Galvanised steel

Cadmium copper

Any of the above

Large conductor area is required for same power transmission

Short-circuit current of the system is increased

Either of the above

None of the above

Unity

Lagging

Leading

Zero