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Question

The presence of earth in case of overhead lines 

A.

increases the capacitance of the line 

B.

increases the inductance of the line 

C.

decreases the capacitance of the line 

D.

decreases the inductance of the line

Answer ( Option A)

increases the capacitance of the line 

Solution

With the presence of the earth, charging currents phenomenon will come into picture which increases the shunt capacitance of the transmission line. However, inductance does not get affected due to the presence of earth.

Hence, the correct option is (A).

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