In a distribution system which of the following items shares the major cost?

The distributors in residential areas are

The loads on three phase, four wire distributors are usually

A uniformly loaded DC distributor is fed at both ends with equal voltages. In  comparison to similar distributor fed at one end only, The maximum voltage drop will be

A null point of uniformly loaded distributor fed at equal voltage at both ends lies at

A uniformly loaded DC distributor is fed at both ends with equal voltages.  In comparison to a similar distributor fed at one and only, voltage drop at mid-point will be

The cross sectional area of the neutral wire in a three wire DC distribution system is usually

For the transmission of the same amount of power with same efficiency over same distance with the same consumer voltage in comparison to a DC two wire distributor,  three wire distributor needs

In three wire DC distributor using balancers and having unequal loads on the two sides

In a DC three wire distribution system, balancer fields are cross connected in order to