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The efficiency of Transmission lines increase with | Power Transmission and Distribution MCQ

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The efficiency of transmission lines increases by:

  1. Increasing voltage and power factor
  2. Increases voltage and decreasing power factor
  3. Decreasing voltage and power factor
  4. Decreasing voltage and increasing power factor

Correct answer: 1. Increasing voltage and power factor

Explanation:

The transmission line losses are inversely related to the voltage. i.e the higher the voltage the lower are the losses and vice versa.

By improving the power factor, the current carrying capacity of transmission lines increases. This in turn increases the efficiency of transmission lines.

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