Considering the following statement about ground wires 1. Ground wire helps to increase the effective capacitance between the line conductor and ground 2. It shields the main conductor against direct stroke 3. It is placed higher than the main conductors and supported on the same tower 4. It helps to reduce the risk of back flash over in case of direct strokes

1, 2, 3 and 4 are correct Explanation: Answer: Option (d)

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ElectricalPower System

Considering the following statement about ground wires

Ground wire helps to increase the effective capacitance between the line conductor and ground
It shields the main conductor against direct stroke
It is placed higher than the main conductors and supported on the same tower
It helps to reduce the risk of back flash over in case of direct strokes

1 and 2 are correct

2 and 3 are correct

1, 2 and 4 are correct

1, 2, 3 and 4 are correct

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