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A long overhead lossless power transmission line is terminated with its characteristic impedance. While the line is in operation
1. a resonance of reactive powers occurs in the line
2. the line becomes purely inductive
3. the line becomes purely capacitive
4. there is no reflected wave on the line

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Correct Answer - Option 4 : there is no reflected wave on the line

A long overhead lossless power transmission line is terminated with its characteristic impedance. It indicates that the reflection coefficient is zero.

The reflection coefficient is, \({\rm{\Gamma }} = \frac{{{Z_0} - {Z_L}}}{{{Z_0} + {Z_L}}}\)

Where ZL is the line impedance and Z0 is the load impedance.

Therefore, there is no reflected wave on the line.

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