# Q.The purpose of guard ring in transmission lines is to

• AReduce the earth capacitance of the lowest unit
• BIncrease the earth capacitance of the lowest unit
• CReduce the transmission line losses
• DNone of the above
Correct Answer : (A)

Reduce the earth capacitance of the lowest unit

Hints :

The purpose of guard ring in transmission lines is to Reduce the earth capacitance of the lowest unit.

Transmission line connects

A 3-phase 4-wire system is commonly used for